88221405601531 has 8 divisors (see below), whose sum is σ = 88238040740784. Its totient is φ = 88204771952640.

The previous prime is 88221405601523. The next prime is 88221405601559. The reversal of 88221405601531 is 13510650412288.

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

It is a cyclic number.

It is not a de Polignac number, because 88221405601531 - 2³ = 88221405601523 is a prime.

It is a super-2 number, since 2×88221405601531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88221405601501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121774851 + ... + 122497171.

It is an arithmetic number, because the mean of its divisors is an integer number (11029755092598).

Almost surely, 2^{88221405601531} is an apocalyptic number.

88221405601531 is a deficient number, since it is larger than the sum of its proper divisors (16635139253).

88221405601531 is a wasteful number, since it uses less digits than its factorization.

88221405601531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745181.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 88221405601531 in words is "eighty-eight trillion, two hundred twenty-one billion, four hundred five million, six hundred one thousand, five hundred thirty-one".