57409222 has 32 divisors (see below), whose sum is σ = 98219520. Its totient is φ = 24948000.

The previous prime is 57409217. The next prime is 57409223. The reversal of 57409222 is 22290475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57409223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123763 + ... + 124225.

It is an arithmetic number, because the mean of its divisors is an integer number (3069360).

Almost surely, 2^57409222 is an apocalyptic number.

57409222 is a deficient number, since it is larger than the sum of its proper divisors (40810298).

57409222 is a wasteful number, since it uses less digits than its factorization.

57409222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 57409222 is about 7576.8873556362. The cubic root of 57409222 is about 385.7689069293.

Adding to 57409222 its reverse (22290475), we get a palindrome (79699697).

The spelling of 57409222 in words is "fifty-seven million, four hundred nine thousand, two hundred twenty-two".