28622762 has 12 divisors (see below), whose sum is σ = 49943970. Its totient is φ = 12266856.

The previous prime is 28622743. The next prime is 28622771. The reversal of 28622762 is 26722682.

It can be written as a sum of positive squares in only one way, i.e., 22857961 + 5764801 = 4781^2 + 2401^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145937 + ... + 146132.

Almost surely, 2^28622762 is an apocalyptic number.

28622762 is a deficient number, since it is larger than the sum of its proper divisors (21321208).

28622762 is a wasteful number, since it uses less digits than its factorization.

28622762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292085 (or 292078 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 28622762 is about 5350.0244859253. The cubic root of 28622762 is about 305.8936862795.

The spelling of 28622762 in words is "twenty-eight million, six hundred twenty-two thousand, seven hundred sixty-two".