22345332240 has 160 divisors (see below), whose sum is σ = 86363329536. Its totient is φ = 4643182080.

The previous prime is 22345332221. The next prime is 22345332241. The reversal of 22345332240 is 4223354322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22345332198 and 22345332207.

It is not an unprimeable number, because it can be changed into a prime (22345332241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 586102 + ... + 623061.

Almost surely, 2^22345332240 is an apocalyptic number.

22345332240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22345332240 is an abundant number, since it is smaller than the sum of its proper divisors (64017997296).

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

22345332240 is a wasteful number, since it uses less digits than its factorization.

22345332240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209197 (or 1209191 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 22345332240 its reverse (4223354322), we get a palindrome (26568686562).

The spelling of 22345332240 in words is "twenty-two billion, three hundred forty-five million, three hundred thirty-two thousand, two hundred forty".