22420667 has 2 divisors, whose sum is σ = 22420668. Its totient is φ = 22420666.

The previous prime is 22420633. The next prime is 22420693. The reversal of 22420667 is 76602422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22420667 - 2¹⁰ = 22419643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22420267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210333 + 11210334.

It is an arithmetic number, because the mean of its divisors is an integer number (11210334).

Almost surely, 2^22420667 is an apocalyptic number.

22420667 is a deficient number, since it is larger than the sum of its proper divisors (1).

22420667 is an equidigital number, since it uses as much as digits as its factorization.

22420667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 22420667 is about 4735.0466734764. The cubic root of 22420667 is about 281.9786169927.

The spelling of 22420667 in words is "twenty-two million, four hundred twenty thousand, six hundred sixty-seven".