2239221051 has 32 divisors (see below), whose sum is σ = 3580992000. Its totient is φ = 1378659744.

The previous prime is 2239221037. The next prime is 2239221059. The reversal of 2239221051 is 1501229322.

It is a happy number.

It is not a de Polignac number, because 2239221051 - 2¹⁵ = 2239188283 is a prime.

It is a super-2 number, since 2×2239221051² = 10028221830483089202, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2239221059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44161 + ... + 80178.

It is an arithmetic number, because the mean of its divisors is an integer number (111906000).

Almost surely, 2^2239221051 is an apocalyptic number.

2239221051 is a deficient number, since it is larger than the sum of its proper divisors (1341770949).

2239221051 is a wasteful number, since it uses less digits than its factorization.

2239221051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124400 (or 124394 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2239221051 is about 47320.4083984912. The cubic root of 2239221051 is about 1308.2748401922.

The spelling of 2239221051 in words is "two billion, two hundred thirty-nine million, two hundred twenty-one thousand, fifty-one".