221422215023040 has 112 divisors (see below), whose sum is σ = 703024366262400. Its totient is φ = 59045182080000.

The previous prime is 221422215023021. The next prime is 221422215023063. The reversal of 221422215023040 is 40320512224122.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 221422215022989 and 221422215023007.

It is a congruent number.

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, 77214915 + ... + 80031165.

It is an arithmetic number, because the mean of its divisors is an integer number (6277003270200).

Almost surely, 2^{221422215023040} is an apocalyptic number.

221422215023040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221422215023040 is an abundant number, since it is smaller than the sum of its proper divisors (481602151239360).

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

221422215023040 is a wasteful number, since it uses less digits than its factorization.

221422215023040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898170 (or 2898160 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 221422215023040 its reverse (40320512224122), we get a palindrome (261742727247162).

The spelling of 221422215023040 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, two hundred fifteen million, twenty-three thousand, forty".