2273501972 has 12 divisors (see below), whose sum is σ = 4547004000. Its totient is φ = 974357976.

The previous prime is 2273501969. The next prime is 2273501983. The reversal of 2273501972 is 2791053722.

It is a happy number.

2273501972 is an admirable number.

It is a super-2 number, since 2×2273501972² = 10337622433375777568, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 40598222 + ... + 40598277.

It is an arithmetic number, because the mean of its divisors is an integer number (378917000).

Almost surely, 2^2273501972 is an apocalyptic number.

It is an amenable number.

2273501972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2273501972 is a wasteful number, since it uses less digits than its factorization.

2273501972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81196510 (or 81196508 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 2273501972 is about 47681.2538845194. The cubic root of 2273501972 is about 1314.9173174941.

The spelling of 2273501972 in words is "two billion, two hundred seventy-three million, five hundred one thousand, nine hundred seventy-two".