36621223624772 has 6 divisors (see below), whose sum is σ = 64087141343358. Its totient is φ = 18310611812384.

The previous prime is 36621223624751. The next prime is 36621223624787. The reversal of 36621223624772 is 27742632212663.

It can be written as a sum of positive squares in only one way, i.e., 34469885663236 + 2151337961536 = 5871106^2 + 1466744^2 .

It is a super-2 number, since 2×36621223624772² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4577652953093 + ... + 4577652953100.

It is an arithmetic number, because the mean of its divisors is an integer number (10681190223893).

Almost surely, 2^{36621223624772} is an apocalyptic number.

It is an amenable number.

36621223624772 is a deficient number, since it is larger than the sum of its proper divisors (27465917718586).

36621223624772 is a wasteful number, since it uses less digits than its factorization.

36621223624772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9155305906197 (or 9155305906195 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 53.

The spelling of 36621223624772 in words is "thirty-six trillion, six hundred twenty-one billion, two hundred twenty-three million, six hundred twenty-four thousand, seven hundred seventy-two".