22557246746 has 4 divisors (see below), whose sum is σ = 33835870122. Its totient is φ = 11278623372.

The previous prime is 22557246721. The next prime is 22557246821. The reversal of 22557246746 is 64764275522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21775429225 + 781817521 = 147565^2 + 27961^2 .

It is a super-3 number, since 3×22557246746³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22557246694 and 22557246703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5639311685 + ... + 5639311688.

Almost surely, 2^22557246746 is an apocalyptic number.

22557246746 is a deficient number, since it is larger than the sum of its proper divisors (11278623376).

22557246746 is a wasteful number, since it uses less digits than its factorization.

22557246746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11278623375.

The product of its digits is 5644800, while the sum is 50.

The spelling of 22557246746 in words is "twenty-two billion, five hundred fifty-seven million, two hundred forty-six thousand, seven hundred forty-six".