22729601 has 2 divisors, whose sum is σ = 22729602. Its totient is φ = 22729600.

The previous prime is 22729547. The next prime is 22729613. The reversal of 22729601 is 10692722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16974400 + 5755201 = 4120^2 + 2399^2 .

It is a cyclic number.

It is not a de Polignac number, because 22729601 - 2¹⁴ = 22713217 is a prime.

It is not a weakly prime, because it can be changed into another prime (22729631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11364800 + 11364801.

It is an arithmetic number, because the mean of its divisors is an integer number (11364801).

Almost surely, 2^22729601 is an apocalyptic number.

It is an amenable number.

22729601 is a deficient number, since it is larger than the sum of its proper divisors (1).

22729601 is an equidigital number, since it uses as much as digits as its factorization.

22729601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 22729601 is about 4767.5571312780. The cubic root of 22729601 is about 283.2678398410.

The spelling of 22729601 in words is "twenty-two million, seven hundred twenty-nine thousand, six hundred one".