23221414450990 has 32 divisors (see below), whose sum is σ = 47770614705600. Its totient is φ = 7961486505984.

The previous prime is 23221414450943. The next prime is 23221414450991. The reversal of 23221414450990 is 9905441412232.

It is a super-2 number, since 2×23221414450990² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23221414450990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221414450991) 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, 1067086 + ... + 6897934.

It is an arithmetic number, because the mean of its divisors is an integer number (1492831709550).

Almost surely, 2^{23221414450990} is an apocalyptic number.

23221414450990 is an abundant number, since it is smaller than the sum of its proper divisors (24549200254610).

23221414450990 is a wasteful number, since it uses less digits than its factorization.

23221414450990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5887756.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 23221414450990 in words is "twenty-three trillion, two hundred twenty-one billion, four hundred fourteen million, four hundred fifty thousand, nine hundred ninety".