22137361 has 2 divisors, whose sum is σ = 22137362. Its totient is φ = 22137360.

The previous prime is 22137347. The next prime is 22137371. The reversal of 22137361 is 16373122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21022225 + 1115136 = 4585^2 + 1056^2 .

It is a cyclic number.

It is not a de Polignac number, because 22137361 - 2⁷ = 22137233 is a prime.

It is not a weakly prime, because it can be changed into another prime (22137341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11068680 + 11068681.

It is an arithmetic number, because the mean of its divisors is an integer number (11068681).

Almost surely, 2^22137361 is an apocalyptic number.

It is an amenable number.

22137361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22137361 is an equidigital number, since it uses as much as digits as its factorization.

22137361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 25.

The square root of 22137361 is about 4705.0357065595. The cubic root of 22137361 is about 280.7858916202.

The spelling of 22137361 in words is "twenty-two million, one hundred thirty-seven thousand, three hundred sixty-one".