57623222 has 8 divisors (see below), whose sum is σ = 88274016. Its totient is φ = 28198552.

The previous prime is 57623213. The next prime is 57623231. The reversal of 57623222 is 22232675.

It is an interprime number because it is at equal distance from previous prime (57623213) and next prime (57623231).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×57623222² = 6640871427322568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306413 + ... + 306600.

It is an arithmetic number, because the mean of its divisors is an integer number (11034252).

Almost surely, 2^57623222 is an apocalyptic number.

57623222 is a deficient number, since it is larger than the sum of its proper divisors (30650794).

57623222 is a wasteful number, since it uses less digits than its factorization.

57623222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613062.

The product of its digits is 10080, while the sum is 29.

The square root of 57623222 is about 7590.9961138180. The cubic root of 57623222 is about 386.2476463935.

Adding to 57623222 its reverse (22232675), we get a palindrome (79855897).

The spelling of 57623222 in words is "fifty-seven million, six hundred twenty-three thousand, two hundred twenty-two".