2201398488 has 24 divisors (see below), whose sum is σ = 5962121100. Its totient is φ = 733799472.

The previous prime is 2201398477. The next prime is 2201398489. The reversal of 2201398488 is 8848931022.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2201398488² = 9692310605937372288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201398489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15287418 + ... + 15287561.

Almost surely, 2^2201398488 is an apocalyptic number.

It is an amenable number.

2201398488 is an abundant number, since it is smaller than the sum of its proper divisors (3760722612).

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

2201398488 is a wasteful number, since it uses less digits than its factorization.

2201398488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30574991 (or 30574984 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 2201398488 is about 46919.0631620027. The cubic root of 2201398488 is about 1300.8669735582.

It can be divided in two parts, 2201 and 398488, that added together give a square (400689 = 633²).

The spelling of 2201398488 in words is "two billion, two hundred one million, three hundred ninety-eight thousand, four hundred eighty-eight".