28622415 has 16 divisors (see below), whose sum is σ = 45870048. Its totient is φ = 15240576.

The previous prime is 28622413. The next prime is 28622431. The reversal of 28622415 is 51422682.

It is not a de Polignac number, because 28622415 - 2¹ = 28622413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28622413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11677 + ... + 13913.

It is an arithmetic number, because the mean of its divisors is an integer number (2866878).

Almost surely, 2^28622415 is an apocalyptic number.

28622415 is a deficient number, since it is larger than the sum of its proper divisors (17247633).

28622415 is a wasteful number, since it uses less digits than its factorization.

28622415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098.

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

The square root of 28622415 is about 5349.9920560689. The cubic root of 28622415 is about 305.8924501359.

The spelling of 28622415 in words is "twenty-eight million, six hundred twenty-two thousand, four hundred fifteen".