402221255110454 has 8 divisors (see below), whose sum is σ = 649742027486160. Its totient is φ = 185640579281736.

The previous prime is 402221255110393. The next prime is 402221255110463. The reversal of 402221255110454 is 454011552122204.

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

It is a super-2 number, since 2×402221255110454² (a number of 30 digits) contains 22 as substring.

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, 7735024136714 + ... + 7735024136765.

It is an arithmetic number, because the mean of its divisors is an integer number (81217753435770).

Almost surely, 2^{402221255110454} is an apocalyptic number.

402221255110454 is a deficient number, since it is larger than the sum of its proper divisors (247520772375706).

402221255110454 is a wasteful number, since it uses less digits than its factorization.

402221255110454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15470048273494.

The product of its (nonzero) digits is 128000, while the sum is 38.

The spelling of 402221255110454 in words is "four hundred two trillion, two hundred twenty-one billion, two hundred fifty-five million, one hundred ten thousand, four hundred fifty-four".