23212220034 has 32 divisors (see below), whose sum is σ = 49473607680. Its totient is φ = 7243527632.

The previous prime is 23212220027. The next prime is 23212220051. The reversal of 23212220034 is 43002221232.

It is a super-2 number, since 2×23212220034² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1782924 + ... + 1795895.

It is an arithmetic number, because the mean of its divisors is an integer number (1546050240).

Almost surely, 2^23212220034 is an apocalyptic number.

23212220034 is an abundant number, since it is smaller than the sum of its proper divisors (26261387646).

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

23212220034 is a wasteful number, since it uses less digits than its factorization.

23212220034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578894.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23212220034 its reverse (43002221232), we get a palindrome (66214441266).

The spelling of 23212220034 in words is "twenty-three billion, two hundred twelve million, two hundred twenty thousand, thirty-four".