22031658242 has 32 divisors (see below), whose sum is σ = 36844554240. Its totient is φ = 9794480080.

The previous prime is 22031658241. The next prime is 22031658247. The reversal of 22031658242 is 24285613022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22031658241) 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, 1655009 + ... + 1668267.

It is an arithmetic number, because the mean of its divisors is an integer number (1151392320).

Almost surely, 2^22031658242 is an apocalyptic number.

22031658242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22031658242 is a deficient number, since it is larger than the sum of its proper divisors (14812895998).

22031658242 is a wasteful number, since it uses less digits than its factorization.

22031658242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14926.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 22031658242 in words is "twenty-two billion, thirty-one million, six hundred fifty-eight thousand, two hundred forty-two".