2225155320 has 128 divisors (see below), whose sum is σ = 7483233600. Its totient is φ = 588091392.

The previous prime is 2225155301. The next prime is 2225155327. The reversal of 2225155320 is 235515222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225155327) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 112924 + ... + 131156.

Almost surely, 2^2225155320 is an apocalyptic number.

2225155320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2225155320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3741616800).

2225155320 is an abundant number, since it is smaller than the sum of its proper divisors (5258078280).

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

2225155320 is a wasteful number, since it uses less digits than its factorization.

2225155320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18366 (or 18356 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2225155320 is about 47171.5520202590. The cubic root of 2225155320 is about 1305.5297624547.

The spelling of 2225155320 in words is "two billion, two hundred twenty-five million, one hundred fifty-five thousand, three hundred twenty".