1005225398 has 16 divisors (see below), whose sum is σ = 1553067600. Its totient is φ = 487614816.

The previous prime is 1005225349. The next prime is 1005225407. The reversal of 1005225398 is 8935225001.

It is a congruent 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, 6365 + ... + 45287.

It is an arithmetic number, because the mean of its divisors is an integer number (97066725).

Almost surely, 2^1005225398 is an apocalyptic number.

1005225398 is a deficient number, since it is larger than the sum of its proper divisors (547842202).

1005225398 is a wasteful number, since it uses less digits than its factorization.

1005225398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39311.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1005225398 is about 31705.2897479269. The cubic root of 1005225398 is about 1001.7387742452.

The spelling of 1005225398 in words is "one billion, five million, two hundred twenty-five thousand, three hundred ninety-eight".