22321874 has 4 divisors (see below), whose sum is σ = 33482814. Its totient is φ = 11160936.

The previous prime is 22321861. The next prime is 22321919. The reversal of 22321874 is 47812322.

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., 12355225 + 9966649 = 3515^2 + 3157^2 .

It is a super-3 number, since 3×22321874³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5580467 + ... + 5580470.

Almost surely, 2^22321874 is an apocalyptic number.

22321874 is a deficient number, since it is larger than the sum of its proper divisors (11160940).

22321874 is a wasteful number, since it uses less digits than its factorization.

22321874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160939.

The product of its digits is 5376, while the sum is 29.

The square root of 22321874 is about 4724.6030521092. The cubic root of 22321874 is about 281.5638429736.

The spelling of 22321874 in words is "twenty-two million, three hundred twenty-one thousand, eight hundred seventy-four".