221189252936622 has 32 divisors (see below), whose sum is σ = 454657134218400. Its totient is φ = 71686141452288.

The previous prime is 221189252936573. The next prime is 221189252936623. The reversal of 221189252936622 is 226639252981122.

It is a super-2 number, since 2×221189252936622² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221189252936623) 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, 353252847 + ... + 353878442.

It is an arithmetic number, because the mean of its divisors is an integer number (14208035444325).

Almost surely, 2^{221189252936622} is an apocalyptic number.

221189252936622 is an abundant number, since it is smaller than the sum of its proper divisors (233467881281778).

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

221189252936622 is a wasteful number, since it uses less digits than its factorization.

221189252936622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707132740.

The product of its digits is 22394880, while the sum is 60.

The spelling of 221189252936622 in words is "two hundred twenty-one trillion, one hundred eighty-nine billion, two hundred fifty-two million, nine hundred thirty-six thousand, six hundred twenty-two".