2291500426 has 4 divisors (see below), whose sum is σ = 3437250642. Its totient is φ = 1145750212.

The previous prime is 2291500411. The next prime is 2291500427. The reversal of 2291500426 is 6240051922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2289718201 + 1782225 = 47851^2 + 1335^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2291500427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572875105 + ... + 572875108.

Almost surely, 2^2291500426 is an apocalyptic number.

2291500426 is a deficient number, since it is larger than the sum of its proper divisors (1145750216).

2291500426 is a wasteful number, since it uses less digits than its factorization.

2291500426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145750215.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2291500426 is about 47869.6190291922. The cubic root of 2291500426 is about 1318.3781017127.

The spelling of 2291500426 in words is "two billion, two hundred ninety-one million, five hundred thousand, four hundred twenty-six".