2272021550 has 24 divisors (see below), whose sum is σ = 4227501000. Its totient is φ = 908477280.

The previous prime is 2272021547. The next prime is 2272021561. The reversal of 2272021550 is 551202722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166901 + ... + 179999.

It is an arithmetic number, because the mean of its divisors is an integer number (176145875).

Almost surely, 2^2272021550 is an apocalyptic number.

2272021550 is a deficient number, since it is larger than the sum of its proper divisors (1955479450).

2272021550 is a wasteful number, since it uses less digits than its factorization.

2272021550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16580 (or 16575 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 2272021550 is about 47665.7272051943. The cubic root of 2272021550 is about 1314.6318467053.

The spelling of 2272021550 in words is "two billion, two hundred seventy-two million, twenty-one thousand, five hundred fifty".