372224642066 has 8 divisors (see below), whose sum is σ = 558339792444. Its totient is φ = 186111377920.

The previous prime is 372224642059. The next prime is 372224642099. The reversal of 372224642066 is 660246422273.

It can be written as a sum of positive squares in 2 ways, for example, as 260983048225 + 111241593841 = 510865^2 + 333529^2 .

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

It is a super-2 number, since 2×372224642066² (a number of 24 digits) contains 22 as substring.

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, 231326 + ... + 893286.

Almost surely, 2^372224642066 is an apocalyptic number.

372224642066 is a deficient number, since it is larger than the sum of its proper divisors (186115150378).

372224642066 is a wasteful number, since it uses less digits than its factorization.

372224642066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943116.

The product of its (nonzero) digits is 1161216, while the sum is 44.

The spelling of 372224642066 in words is "three hundred seventy-two billion, two hundred twenty-four million, six hundred forty-two thousand, sixty-six".