825603122 has 4 divisors (see below), whose sum is σ = 1238404686. Its totient is φ = 412801560.

The previous prime is 825603109. The next prime is 825603161. The reversal of 825603122 is 221306528.

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., 824895841 + 707281 = 28721^2 + 841^2 .

It is a super-2 number, since 2×825603122² = 1363241030112293768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206400779 + ... + 206400782.

Almost surely, 2^825603122 is an apocalyptic number.

825603122 is a deficient number, since it is larger than the sum of its proper divisors (412801564).

825603122 is a wasteful number, since it uses less digits than its factorization.

825603122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412801563.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 825603122 is about 28733.3103209498. The cubic root of 825603122 is about 938.1172220421.

The spelling of 825603122 in words is "eight hundred twenty-five million, six hundred three thousand, one hundred twenty-two".