221534534232022 has 32 divisors (see below), whose sum is σ = 368072549185824. Its totient is φ = 99157127731200.

The previous prime is 221534534231987. The next prime is 221534534232041. The reversal of 221534534232022 is 220232435435122.

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, 110793379 + ... + 112775182.

It is an arithmetic number, because the mean of its divisors is an integer number (11502267162057).

Almost surely, 2^{221534534232022} is an apocalyptic number.

221534534232022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221534534232022 is a deficient number, since it is larger than the sum of its proper divisors (146538014953802).

221534534232022 is a wasteful number, since it uses less digits than its factorization.

221534534232022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223569264.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 221534534232022 its reverse (220232435435122), we get a palindrome (441766969667144).

The spelling of 221534534232022 in words is "two hundred twenty-one trillion, five hundred thirty-four billion, five hundred thirty-four million, two hundred thirty-two thousand, twenty-two".