22973501 has 2 divisors, whose sum is σ = 22973502. Its totient is φ = 22973500.

The previous prime is 22973491. The next prime is 22973507. The reversal of 22973501 is 10537922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20693401 + 2280100 = 4549^2 + 1510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22973501 is a prime.

It is equal to p_1446662 and since 22973501 and 1446662 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22973507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11486750 + 11486751.

It is an arithmetic number, because the mean of its divisors is an integer number (11486751).

Almost surely, 2^22973501 is an apocalyptic number.

It is an amenable number.

22973501 is a deficient number, since it is larger than the sum of its proper divisors (1).

22973501 is an equidigital number, since it uses as much as digits as its factorization.

22973501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 22973501 is about 4793.0680153739. The cubic root of 22973501 is about 284.2774391576.

The spelling of 22973501 in words is "twenty-two million, nine hundred seventy-three thousand, five hundred one".