2291122376 has 8 divisors (see below), whose sum is σ = 4295854470. Its totient is φ = 1145561184.

The previous prime is 2291122373. The next prime is 2291122387. The reversal of 2291122376 is 6732211922.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1262380900 + 1028741476 = 35530^2 + 32074^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2291122373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143195141 + ... + 143195156.

Almost surely, 2^2291122376 is an apocalyptic number.

It is an amenable number.

2291122376 is a deficient number, since it is larger than the sum of its proper divisors (2004732094).

2291122376 is a wasteful number, since it uses less digits than its factorization.

2291122376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286390303 (or 286390299 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 2291122376 is about 47865.6701196170. The cubic root of 2291122376 is about 1318.3055960525.

The spelling of 2291122376 in words is "two billion, two hundred ninety-one million, one hundred twenty-two thousand, three hundred seventy-six".