2202215550 has 48 divisors (see below), whose sum is σ = 5577714432. Its totient is φ = 574760800.

The previous prime is 2202215467. The next prime is 2202215551. The reversal of 2202215550 is 555122022.

It is a self number, because there is not a number n which added to its sum of digits gives 2202215550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202215551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149136 + ... + 163235.

It is an arithmetic number, because the mean of its divisors is an integer number (116202384).

Almost surely, 2^2202215550 is an apocalyptic number.

2202215550 is an abundant number, since it is smaller than the sum of its proper divisors (3375498882).

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

2202215550 is a wasteful number, since it uses less digits than its factorization.

2202215550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312433 (or 312428 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2202215550 is about 46927.7694973882. The cubic root of 2202215550 is about 1301.0278951277.

Adding to 2202215550 its reverse (555122022), we get a palindrome (2757337572).

The spelling of 2202215550 in words is "two billion, two hundred two million, two hundred fifteen thousand, five hundred fifty".