22488734 has 4 divisors (see below), whose sum is σ = 33733104. Its totient is φ = 11244366.

The previous prime is 22488727. The next prime is 22488757. The reversal of 22488734 is 43788422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43788422 = 2 ⋅21894211.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5622182 + ... + 5622185.

It is an arithmetic number, because the mean of its divisors is an integer number (8433276).

Almost surely, 2^22488734 is an apocalyptic number.

22488734 is a deficient number, since it is larger than the sum of its proper divisors (11244370).

22488734 is a wasteful number, since it uses less digits than its factorization.

22488734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11244369.

The product of its digits is 86016, while the sum is 38.

The square root of 22488734 is about 4742.2288008910. The cubic root of 22488734 is about 282.2636820783.

The spelling of 22488734 in words is "twenty-two million, four hundred eighty-eight thousand, seven hundred thirty-four".