22311994384 has 45 divisors (see below), whose sum is σ = 43762672317. Its totient is φ = 11020068672.

The previous prime is 22311994361. The next prime is 22311994409. The reversal of 22311994384 is 48349911322.

The square root of 22311994384 is 149372.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16376832784 + 5935161600 = 127972^2 + 77040^2 .

It is a super-3 number, since 3×22311994384³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 63931042 + ... + 63931390.

Almost surely, 2^22311994384 is an apocalyptic number.

22311994384 is the 149372-nd square number.

It is an amenable number.

22311994384 is a deficient number, since it is larger than the sum of its proper divisors (21450677933).

22311994384 is an frugal number, since it uses more digits than its factorization.

22311994384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 458 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The spelling of 22311994384 in words is "twenty-two billion, three hundred eleven million, nine hundred ninety-four thousand, three hundred eighty-four".