1522002252 has 24 divisors (see below), whose sum is σ = 3647321776. Its totient is φ = 493622208.

The previous prime is 1522002241. The next prime is 1522002281. The reversal of 1522002252 is 2522002251.

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, 1713523 + ... + 1714410.

Almost surely, 2^1522002252 is an apocalyptic number.

1522002252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1522002252 is an abundant number, since it is smaller than the sum of its proper divisors (2125319524).

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

1522002252 is a wasteful number, since it uses less digits than its factorization.

1522002252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427977 (or 3427975 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1522002252 is about 39012.8472685601. The cubic root of 1522002252 is about 1150.2840513203.

Subtracting 1522002252 from its reverse (2522002251), we obtain a palindrome (999999999).

The spelling of 1522002252 in words is "one billion, five hundred twenty-two million, two thousand, two hundred fifty-two".