22283738 has 4 divisors (see below), whose sum is σ = 33425610. Its totient is φ = 11141868.

The previous prime is 22283717. The next prime is 22283749. The reversal of 22283738 is 83738222.

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., 21132409 + 1151329 = 4597^2 + 1073^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22283698 and 22283707.

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, 5570933 + ... + 5570936.

Almost surely, 2^22283738 is an apocalyptic number.

22283738 is a deficient number, since it is larger than the sum of its proper divisors (11141872).

22283738 is a wasteful number, since it uses less digits than its factorization.

22283738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11141871.

The product of its digits is 32256, while the sum is 35.

The square root of 22283738 is about 4720.5654322337. The cubic root of 22283738 is about 281.4034048385.

The spelling of 22283738 in words is "twenty-two million, two hundred eighty-three thousand, seven hundred thirty-eight".