9137222401 has 4 divisors (see below), whose sum is σ = 9142472404. Its totient is φ = 9131972400.

The previous prime is 9137222333. The next prime is 9137222431. The reversal of 9137222401 is 1042227319.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3025110001 + 6112112400 = 55001^2 + 78180^2 .

It is a cyclic number.

It is not a de Polignac number, because 9137222401 - 2¹⁷ = 9137091329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9137222431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2622390 + ... + 2625871.

It is an arithmetic number, because the mean of its divisors is an integer number (2285618101).

Almost surely, 2^9137222401 is an apocalyptic number.

It is an amenable number.

9137222401 is a deficient number, since it is larger than the sum of its proper divisors (5250003).

9137222401 is a wasteful number, since it uses less digits than its factorization.

9137222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250002.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 9137222401 is about 95588.8194351201. The cubic root of 9137222401 is about 2090.6021784575.

The spelling of 9137222401 in words is "nine billion, one hundred thirty-seven million, two hundred twenty-two thousand, four hundred one".