28622342 has 16 divisors (see below), whose sum is σ = 50112000. Its totient is φ = 12005448.

The previous prime is 28622329. The next prime is 28622383. The reversal of 28622342 is 24322682.

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, 21092 + ... + 22407.

It is an arithmetic number, because the mean of its divisors is an integer number (3132000).

Almost surely, 2^28622342 is an apocalyptic number.

28622342 is a deficient number, since it is larger than the sum of its proper divisors (21489658).

28622342 is a wasteful number, since it uses less digits than its factorization.

28622342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43555.

The product of its digits is 9216, while the sum is 29.

The square root of 28622342 is about 5349.9852336245. The cubic root of 28622342 is about 305.8921900813.

The spelling of 28622342 in words is "twenty-eight million, six hundred twenty-two thousand, three hundred forty-two".