22628415 has 8 divisors (see below), whose sum is σ = 36205488. Its totient is φ = 12068480.

The previous prime is 22628401. The next prime is 22628429. The reversal of 22628415 is 51482622.

It is an interprime number because it is at equal distance from previous prime (22628401) and next prime (22628429).

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

It is not a de Polignac number, because 22628415 - 2⁴ = 22628399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754266 + ... + 754295.

It is an arithmetic number, because the mean of its divisors is an integer number (4525686).

Almost surely, 2^22628415 is an apocalyptic number.

22628415 is a deficient number, since it is larger than the sum of its proper divisors (13577073).

22628415 is a wasteful number, since it uses less digits than its factorization.

22628415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508569.

The product of its digits is 7680, while the sum is 30.

The square root of 22628415 is about 4756.9333608954. The cubic root of 22628415 is about 282.8468707553.

The spelling of 22628415 in words is "twenty-two million, six hundred twenty-eight thousand, four hundred fifteen".