22729963 has 2 divisors, whose sum is σ = 22729964. Its totient is φ = 22729962.

The previous prime is 22729961. The next prime is 22729981. The reversal of 22729963 is 36992722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22729963 - 2¹ = 22729961 is a prime.

Together with 22729961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22729961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11364981 + 11364982.

It is an arithmetic number, because the mean of its divisors is an integer number (11364982).

Almost surely, 2^22729963 is an apocalyptic number.

22729963 is a deficient number, since it is larger than the sum of its proper divisors (1).

22729963 is an equidigital number, since it uses as much as digits as its factorization.

22729963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 22729963 is about 4767.5950960626. The cubic root of 22729963 is about 283.2693436423.

The spelling of 22729963 in words is "twenty-two million, seven hundred twenty-nine thousand, nine hundred sixty-three".