22063738 has 4 divisors (see below), whose sum is σ = 33095610. Its totient is φ = 11031868.

The previous prime is 22063697. The next prime is 22063759. The reversal of 22063738 is 83736022.

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., 20493729 + 1570009 = 4527^2 + 1253^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515933 + ... + 5515936.

Almost surely, 2^22063738 is an apocalyptic number.

22063738 is a deficient number, since it is larger than the sum of its proper divisors (11031872).

22063738 is a wasteful number, since it uses less digits than its factorization.

22063738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11031871.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 22063738 is about 4697.2053393481. The cubic root of 22063738 is about 280.4742727391.

It can be divided in two parts, 22063 and 738, that added together give a square (22801 = 151²).

The spelling of 22063738 in words is "twenty-two million, sixty-three thousand, seven hundred thirty-eight".