357214220 has 24 divisors (see below), whose sum is σ = 818345808. Its totient is φ = 129896000.

The previous prime is 357214213. The next prime is 357214229. The reversal of 357214220 is 22412753.

It is a self number, because there is not a number n which added to its sum of digits gives 357214220.

It is not an unprimeable number, because it can be changed into a prime (357214229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811631 + ... + 812070.

It is an arithmetic number, because the mean of its divisors is an integer number (34097742).

Almost surely, 2^357214220 is an apocalyptic number.

It is an amenable number.

357214220 is an abundant number, since it is smaller than the sum of its proper divisors (461131588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

357214220 is a wasteful number, since it uses less digits than its factorization.

357214220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623721 (or 1623719 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 357214220 is about 18900.1116398819. Note that the first 3 decimals coincide. The cubic root of 357214220 is about 709.5389587696.

Adding to 357214220 its reverse (22412753), we get a palindrome (379626973).

The spelling of 357214220 in words is "three hundred fifty-seven million, two hundred fourteen thousand, two hundred twenty".