28422801 has 12 divisors (see below), whose sum is σ = 44787600. Its totient is φ = 17225880.

The previous prime is 28422763. The next prime is 28422811. The reversal of 28422801 is 10822482.

It is not a de Polignac number, because 28422801 - 2¹³ = 28414609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28422811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143451 + ... + 143648.

It is an arithmetic number, because the mean of its divisors is an integer number (3732300).

Almost surely, 2^28422801 is an apocalyptic number.

It is an amenable number.

28422801 is a deficient number, since it is larger than the sum of its proper divisors (16364799).

28422801 is a wasteful number, since it uses less digits than its factorization.

28422801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287116 (or 287113 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 28422801 is about 5331.3038742882. The cubic root of 28422801 is about 305.1796880797.

The spelling of 28422801 in words is "twenty-eight million, four hundred twenty-two thousand, eight hundred one".