22015274 has 4 divisors (see below), whose sum is σ = 33022914. Its totient is φ = 11007636.

The previous prime is 22015271. The next prime is 22015313. The reversal of 22015274 is 47251022.

It is a happy number.

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., 21949225 + 66049 = 4685^2 + 257^2 .

It is not an unprimeable number, because it can be changed into a prime (22015271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5503817 + ... + 5503820.

Almost surely, 2^22015274 is an apocalyptic number.

22015274 is a deficient number, since it is larger than the sum of its proper divisors (11007640).

22015274 is a wasteful number, since it uses less digits than its factorization.

22015274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11007639.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 22015274 is about 4692.0436911862. The cubic root of 22015274 is about 280.2687640473.

Adding to 22015274 its reverse (47251022), we get a palindrome (69266296).

The spelling of 22015274 in words is "twenty-two million, fifteen thousand, two hundred seventy-four".