1022432402 has 4 divisors (see below), whose sum is σ = 1533648606. Its totient is φ = 511216200.

The previous prime is 1022432347. The next prime is 1022432419. The reversal of 1022432402 is 2042342201.

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., 916938961 + 105493441 = 30281^2 + 10271^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255608099 + ... + 255608102.

Almost surely, 2^1022432402 is an apocalyptic number.

1022432402 is a deficient number, since it is larger than the sum of its proper divisors (511216204).

1022432402 is an equidigital number, since it uses as much as digits as its factorization.

1022432402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511216203.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1022432402 is about 31975.4968999701. The cubic root of 1022432402 is about 1007.4222413701.

Adding to 1022432402 its reverse (2042342201), we get a palindrome (3064774603).

The spelling of 1022432402 in words is "one billion, twenty-two million, four hundred thirty-two thousand, four hundred two".