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22220201031 = 372346004557
BaseRepresentation
bin10100101100011011…
…010101110001000111
32010100120020011111120
4110230123111301013
5331001332413111
614112520005023
71414431410130
oct245433256107
963316204446
1022220201031
1194727a6a06
124381600773
132131660062
14110b100c87
158a0b28406
hex52c6d5c47

22220201031 has 16 divisors (see below), whose sum is σ = 35331500544. Its totient is φ = 12145202784.

The previous prime is 22220200991. The next prime is 22220201063. The reversal of 22220201031 is 13010202222.

It is a happy number.

It is not a de Polignac number, because 22220201031 - 218 = 22219938887 is a prime.

It is a super-2 number, since 2×222202010312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22220201031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220201831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23001796 + ... + 23002761.

It is an arithmetic number, because the mean of its divisors is an integer number (2208218784).

Almost surely, 222220201031 is an apocalyptic number.

22220201031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22220201031 is a deficient number, since it is larger than the sum of its proper divisors (13111299513).

22220201031 is a wasteful number, since it uses less digits than its factorization.

22220201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46004590.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22220201031 its reverse (13010202222), we get a palindrome (35230403253).

The spelling of 22220201031 in words is "twenty-two billion, two hundred twenty million, two hundred one thousand, thirty-one".

Divisors: 1 3 7 21 23 69 161 483 46004557 138013671 322031899 966095697 1058104811 3174314433 7406733677 22220201031