2202506772 has 48 divisors (see below), whose sum is σ = 5376400512. Its totient is φ = 700444800.

The previous prime is 2202506737. The next prime is 2202506797. The reversal of 2202506772 is 2776052022.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99522 + ... + 119622.

It is an arithmetic number, because the mean of its divisors is an integer number (112008344).

Almost surely, 2^2202506772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2202506772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2688200256).

2202506772 is an abundant number, since it is smaller than the sum of its proper divisors (3173893740).

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

2202506772 is a wasteful number, since it uses less digits than its factorization.

2202506772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20528 (or 20526 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 2202506772 is about 46930.8722697544. The cubic root of 2202506772 is about 1301.0852421095.

Adding to 2202506772 its reverse (2776052022), we get a palindrome (4978558794).

The spelling of 2202506772 in words is "two billion, two hundred two million, five hundred six thousand, seven hundred seventy-two".