22420633 has 2 divisors, whose sum is σ = 22420634. Its totient is φ = 22420632.

The previous prime is 22420609. The next prime is 22420667. The reversal of 22420633 is 33602422.

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., 22014864 + 405769 = 4692^2 + 637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22420633 is a prime.

It is not a weakly prime, because it can be changed into another prime (22420693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210316 + 11210317.

It is an arithmetic number, because the mean of its divisors is an integer number (11210317).

Almost surely, 2^22420633 is an apocalyptic number.

It is an amenable number.

22420633 is a deficient number, since it is larger than the sum of its proper divisors (1).

22420633 is an equidigital number, since it uses as much as digits as its factorization.

22420633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 22420633 is about 4735.0430832253. The cubic root of 22420633 is about 281.9784744564.

The spelling of 22420633 in words is "twenty-two million, four hundred twenty thousand, six hundred thirty-three".