2201553400 has 48 divisors (see below), whose sum is σ = 5121703440. Its totient is φ = 880089600.

The previous prime is 2201553383. The next prime is 2201553401. The reversal of 2201553400 is 43551022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201553401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 622437 + ... + 625963.

It is an arithmetic number, because the mean of its divisors is an integer number (106702155).

Almost surely, 2^2201553400 is an apocalyptic number.

2201553400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201553400 is an abundant number, since it is smaller than the sum of its proper divisors (2920150040).

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

2201553400 is a wasteful number, since it uses less digits than its factorization.

2201553400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6664 (or 6655 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2201553400 is about 46920.7139758124. The cubic root of 2201553400 is about 1300.8974867644.

The spelling of 2201553400 in words is "two billion, two hundred one million, five hundred fifty-three thousand, four hundred".