2291551922 has 16 divisors (see below), whose sum is σ = 3751503552. Its totient is φ = 1041144720.

The previous prime is 2291551921. The next prime is 2291551993.

It is a happy number.

2291551922 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2291551922² = 10502420422443788168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2291551921) 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, 29003 + ... + 73649.

It is an arithmetic number, because the mean of its divisors is an integer number (234468972).

Almost surely, 2^2291551922 is an apocalyptic number.

2291551922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2291551922 is a deficient number, since it is larger than the sum of its proper divisors (1459951630).

2291551922 is a wasteful number, since it uses less digits than its factorization.

2291551922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46993.

The product of its digits is 32400, while the sum is 38.

The square root of 2291551922 is about 47870.1569038582. The cubic root of 2291551922 is about 1318.3879774385.

The spelling of 2291551922 in words is "two billion, two hundred ninety-one million, five hundred fifty-one thousand, nine hundred twenty-two".