22153452042 has 32 divisors (see below), whose sum is σ = 45122650560. Its totient is φ = 7248886400.

The previous prime is 22153452019. The next prime is 22153452047. The reversal of 22153452042 is 24025435122.

It is not an unprimeable number, because it can be changed into a prime (22153452047) 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, 203518 + ... + 292790.

It is an arithmetic number, because the mean of its divisors is an integer number (1410082830).

Almost surely, 2^22153452042 is an apocalyptic number.

22153452042 is an abundant number, since it is smaller than the sum of its proper divisors (22969198518).

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

22153452042 is a wasteful number, since it uses less digits than its factorization.

22153452042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90038.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22153452042 its reverse (24025435122), we get a palindrome (46178887164).

The spelling of 22153452042 in words is "twenty-two billion, one hundred fifty-three million, four hundred fifty-two thousand, forty-two".