2225951720 has 32 divisors (see below), whose sum is σ = 5083149600. Its totient is φ = 877090368.

The previous prime is 2225951681. The next prime is 2225951723. The reversal of 2225951720 is 271595222.

It is a super-2 number, since 2×2225951720² = 9909722119541916800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2225951723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412610 + ... + 417969.

It is an arithmetic number, because the mean of its divisors is an integer number (158848425).

Almost surely, 2^2225951720 is an apocalyptic number.

2225951720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2225951720 is an abundant number, since it is smaller than the sum of its proper divisors (2857197880).

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

2225951720 is a wasteful number, since it uses less digits than its factorization.

2225951720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830657 (or 830653 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 2225951720 is about 47179.9927935560. The cubic root of 2225951720 is about 1305.6854968847.

The spelling of 2225951720 in words is "two billion, two hundred twenty-five million, nine hundred fifty-one thousand, seven hundred twenty".