28464622 has 8 divisors (see below), whose sum is σ = 44944200. Its totient is φ = 13483224.

The previous prime is 28464617. The next prime is 28464629. The reversal of 28464622 is 22646482.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28464629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374497 + ... + 374572.

It is an arithmetic number, because the mean of its divisors is an integer number (5618025).

Almost surely, 2^28464622 is an apocalyptic number.

28464622 is a deficient number, since it is larger than the sum of its proper divisors (16479578).

28464622 is a wasteful number, since it uses less digits than its factorization.

28464622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749090.

The product of its digits is 36864, while the sum is 34.

The square root of 28464622 is about 5335.2246438177. The cubic root of 28464622 is about 305.3292940845.

The spelling of 28464622 in words is "twenty-eight million, four hundred sixty-four thousand, six hundred twenty-two".