1025022404 has 24 divisors (see below), whose sum is σ = 2051743680. Its totient is φ = 438931296.

The previous prime is 1025022343. The next prime is 1025022451. The reversal of 1025022404 is 4042205201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20714 + ... + 49790.

It is an arithmetic number, because the mean of its divisors is an integer number (85489320).

Almost surely, 2^1025022404 is an apocalyptic number.

1025022404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1025022404 is an abundant number, since it is smaller than the sum of its proper divisors (1026721276).

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

1025022404 is a wasteful number, since it uses less digits than its factorization.

1025022404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30347 (or 30345 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1025022404 is about 32015.9710769485. The cubic root of 1025022404 is about 1008.2721836256.

Adding to 1025022404 its reverse (4042205201), we get a palindrome (5067227605).

The spelling of 1025022404 in words is "one billion, twenty-five million, twenty-two thousand, four hundred four".