22420042352 has 20 divisors (see below), whose sum is σ = 43531863336. Its totient is φ = 11186013120.

The previous prime is 22420042349. The next prime is 22420042369. The reversal of 22420042352 is 25324002422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492799 + ... + 1507742.

Almost surely, 2^22420042352 is an apocalyptic number.

It is an amenable number.

22420042352 is a deficient number, since it is larger than the sum of its proper divisors (21111820984).

22420042352 is a wasteful number, since it uses less digits than its factorization.

22420042352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001016 (or 3001010 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 22420042352 its reverse (25324002422), we get a palindrome (47744044774).

The spelling of 22420042352 in words is "twenty-two billion, four hundred twenty million, forty-two thousand, three hundred fifty-two".