22029274 has 4 divisors (see below), whose sum is σ = 33043914. Its totient is φ = 11014636.

The previous prime is 22029257. The next prime is 22029289. The reversal of 22029274 is 47292022.

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., 12201049 + 9828225 = 3493^2 + 3135^2 .

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, 5507317 + ... + 5507320.

Almost surely, 2^22029274 is an apocalyptic number.

22029274 is a deficient number, since it is larger than the sum of its proper divisors (11014640).

22029274 is a wasteful number, since it uses less digits than its factorization.

22029274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11014639.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 22029274 is about 4693.5353412966. The cubic root of 22029274 is about 280.3281611619.

It can be divided in two parts, 2202 and 9274, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 22029274 in words is "twenty-two million, twenty-nine thousand, two hundred seventy-four".