2202121140 has 48 divisors (see below), whose sum is σ = 6240241728. Its totient is φ = 580155904.

The previous prime is 2202121099. The next prime is 2202121153. The reversal of 2202121140 is 411212022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216117 + ... + 226076.

It is an arithmetic number, because the mean of its divisors is an integer number (130005036).

Almost surely, 2^2202121140 is an apocalyptic number.

2202121140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202121140 is an abundant number, since it is smaller than the sum of its proper divisors (4038120588).

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

2202121140 is a wasteful number, since it uses less digits than its factorization.

2202121140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442288 (or 442286 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2202121140 is about 46926.7635790068. The cubic root of 2202121140 is about 1301.0093029726.

Adding to 2202121140 its reverse (411212022), we get a palindrome (2613333162).

The spelling of 2202121140 in words is "two billion, two hundred two million, one hundred twenty-one thousand, one hundred forty".