1457902322 has 4 divisors (see below), whose sum is σ = 2186853486. Its totient is φ = 728951160.

The previous prime is 1457902301. The next prime is 1457902339. The reversal of 1457902322 is 2232097541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1425742081 + 32160241 = 37759^2 + 5671^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364475579 + ... + 364475582.

Almost surely, 2^1457902322 is an apocalyptic number.

1457902322 is a deficient number, since it is larger than the sum of its proper divisors (728951164).

1457902322 is an equidigital number, since it uses as much as digits as its factorization.

1457902322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728951163.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1457902322 is about 38182.4871112399. The cubic root of 1457902322 is about 1133.9036220007.

Adding to 1457902322 its reverse (2232097541), we get a palindrome (3689999863).

The spelling of 1457902322 in words is "one billion, four hundred fifty-seven million, nine hundred two thousand, three hundred twenty-two".