22729201 has 8 divisors (see below), whose sum is σ = 24945984. Its totient is φ = 20537520.

The previous prime is 22729199. The next prime is 22729237. The reversal of 22729201 is 10292722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22729201 - 2¹ = 22729199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22729601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4350 + ... + 8023.

It is an arithmetic number, because the mean of its divisors is an integer number (3118248).

Almost surely, 2^22729201 is an apocalyptic number.

It is an amenable number.

22729201 is a deficient number, since it is larger than the sum of its proper divisors (2216783).

22729201 is a wasteful number, since it uses less digits than its factorization.

22729201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12551.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 22729201 is about 4767.5151808883. The cubic root of 22729201 is about 283.2661781635.

The spelling of 22729201 in words is "twenty-two million, seven hundred twenty-nine thousand, two hundred one".