22270838 has 4 divisors (see below), whose sum is σ = 33406260. Its totient is φ = 11135418.

The previous prime is 22270823. The next prime is 22270841. The reversal of 22270838 is 83807222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83807222 = 2 ⋅41903611.

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, 5567708 + ... + 5567711.

It is an arithmetic number, because the mean of its divisors is an integer number (8351565).

Almost surely, 2^22270838 is an apocalyptic number.

22270838 is a deficient number, since it is larger than the sum of its proper divisors (11135422).

22270838 is a wasteful number, since it uses less digits than its factorization.

22270838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11135421.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 22270838 is about 4719.1988726902. The cubic root of 22270838 is about 281.3490931152.

The spelling of 22270838 in words is "twenty-two million, two hundred seventy thousand, eight hundred thirty-eight".