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22315434340 = 2251115771717
BaseRepresentation
bin10100110010000110…
…101000000101100100
32010121012102112001011
4110302012220011210
5331200222344330
614130201112004
71416666030223
oct246206500544
963535375034
1022315434340
119511532121
1243a9488604
1321482c5024
141119a10cba
158a918a82a
hex5321a8164

22315434340 has 12 divisors (see below), whose sum is σ = 46862412156. Its totient is φ = 8926173728.

The previous prime is 22315434329. The next prime is 22315434377. The reversal of 22315434340 is 4343451322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12020491044 + 10294943296 = 109638^2 + 101464^2 .

It is a super-3 number, since 3×223154343403 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557885839 + ... + 557885878.

It is an arithmetic number, because the mean of its divisors is an integer number (3905201013).

Almost surely, 222315434340 is an apocalyptic number.

22315434340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22315434340 is an abundant number, since it is smaller than the sum of its proper divisors (24546977816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22315434340 is a wasteful number, since it uses less digits than its factorization.

22315434340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115771726 (or 1115771724 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 22315434340 its reverse (4343451322), we get a palindrome (26658885662).

The spelling of 22315434340 in words is "twenty-two billion, three hundred fifteen million, four hundred thirty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1115771717 2231543434 4463086868 5578858585 11157717170 22315434340