22977001 has 2 divisors, whose sum is σ = 22977002. Its totient is φ = 22977000.

The previous prime is 22976981. The next prime is 22977049. The reversal of 22977001 is 10077922.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15681600 + 7295401 = 3960^2 + 2701^2 .

It is a cyclic number.

It is not a de Polignac number, because 22977001 - 2⁹ = 22976489 is a prime.

It is not a weakly prime, because it can be changed into another prime (22977401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11488500 + 11488501.

It is an arithmetic number, because the mean of its divisors is an integer number (11488501).

Almost surely, 2^22977001 is an apocalyptic number.

It is an amenable number.

22977001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22977001 is an equidigital number, since it uses as much as digits as its factorization.

22977001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 22977001 is about 4793.4331120816. The cubic root of 22977001 is about 284.2918749274.

The spelling of 22977001 in words is "twenty-two million, nine hundred seventy-seven thousand, one".