221026412974 has 8 divisors (see below), whose sum is σ = 332278016400. Its totient is φ = 110267074176.

The previous prime is 221026412941. The next prime is 221026412993. The reversal of 221026412974 is 479214620122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123065034 + ... + 123066829.

It is an arithmetic number, because the mean of its divisors is an integer number (41534752050).

Almost surely, 2^221026412974 is an apocalyptic number.

221026412974 is a deficient number, since it is larger than the sum of its proper divisors (111251603426).

221026412974 is a wasteful number, since it uses less digits than its factorization.

221026412974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246132314.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 221026412974 in words is "two hundred twenty-one billion, twenty-six million, four hundred twelve thousand, nine hundred seventy-four".