22977641 has 2 divisors, whose sum is σ = 22977642. Its totient is φ = 22977640.

The previous prime is 22977607. The next prime is 22977653. The reversal of 22977641 is 14677922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 11417641 = 3400^2 + 3379^2 .

It is a cyclic number.

It is not a de Polignac number, because 22977641 - 2¹⁰ = 22976617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22977595 and 22977604.

It is not a weakly prime, because it can be changed into another prime (22947641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11488820 + 11488821.

It is an arithmetic number, because the mean of its divisors is an integer number (11488821).

Almost surely, 2^22977641 is an apocalyptic number.

It is an amenable number.

22977641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22977641 is an equidigital number, since it uses as much as digits as its factorization.

22977641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 22977641 is about 4793.4998696151. The cubic root of 22977641 is about 284.2945144524.

The spelling of 22977641 in words is "twenty-two million, nine hundred seventy-seven thousand, six hundred forty-one".