22429645 has 8 divisors (see below), whose sum is σ = 30760704. Its totient is φ = 15380304.

The previous prime is 22429637. The next prime is 22429663. The reversal of 22429645 is 54692422.

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 22429645 - 2³ = 22429637 is a prime.

It is a super-3 number, since 3×22429645³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22429645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320389 + ... + 320458.

It is an arithmetic number, because the mean of its divisors is an integer number (3845088).

Almost surely, 2^22429645 is an apocalyptic number.

It is an amenable number.

22429645 is a deficient number, since it is larger than the sum of its proper divisors (8331059).

22429645 is an equidigital number, since it uses as much as digits as its factorization.

22429645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640859.

The product of its digits is 34560, while the sum is 34.

The square root of 22429645 is about 4735.9946157064. The cubic root of 22429645 is about 282.0162499229.

The spelling of 22429645 in words is "twenty-two million, four hundred twenty-nine thousand, six hundred forty-five".