22077007 has 2 divisors, whose sum is σ = 22077008. Its totient is φ = 22077006.

The previous prime is 22076963. The next prime is 22077019. The reversal of 22077007 is 70077022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22077007 - 2²³ = 13688399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22077047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11038503 + 11038504.

It is an arithmetic number, because the mean of its divisors is an integer number (11038504).

Almost surely, 2^22077007 is an apocalyptic number.

22077007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22077007 is an equidigital number, since it uses as much as digits as its factorization.

22077007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1372, while the sum is 25.

The square root of 22077007 is about 4698.6175626454. The cubic root of 22077007 is about 280.5304866547.

The spelling of 22077007 in words is "twenty-two million, seventy-seven thousand, seven".