22348537 has 2 divisors, whose sum is σ = 22348538. Its totient is φ = 22348536.

The previous prime is 22348517. The next prime is 22348583. The reversal of 22348537 is 73584322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20214016 + 2134521 = 4496^2 + 1461^2 .

It is a cyclic number.

It is not a de Polignac number, because 22348537 - 2⁷ = 22348409 is a prime.

It is not a weakly prime, because it can be changed into another prime (22348517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11174268 + 11174269.

It is an arithmetic number, because the mean of its divisors is an integer number (11174269).

Almost surely, 2^22348537 is an apocalyptic number.

It is an amenable number.

22348537 is a deficient number, since it is larger than the sum of its proper divisors (1).

22348537 is an equidigital number, since it uses as much as digits as its factorization.

22348537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 22348537 is about 4727.4239285260. The cubic root of 22348537 is about 281.6759056915.

The spelling of 22348537 in words is "twenty-two million, three hundred forty-eight thousand, five hundred thirty-seven".