22428771 has 8 divisors (see below), whose sum is σ = 30713424. Its totient is φ = 14548320.

The previous prime is 22428761. The next prime is 22428781. The reversal of 22428771 is 17782422.

It is an interprime number because it is at equal distance from previous prime (22428761) and next prime (22428781).

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

It is not a de Polignac number, because 22428771 - 2⁷ = 22428643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22428751) by changing a digit.

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, 100920 + ... + 101141.

It is an arithmetic number, because the mean of its divisors is an integer number (3839178).

Almost surely, 2^22428771 is an apocalyptic number.

22428771 is a deficient number, since it is larger than the sum of its proper divisors (8284653).

22428771 is a wasteful number, since it uses less digits than its factorization.

22428771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202101.

The product of its digits is 12544, while the sum is 33.

The square root of 22428771 is about 4735.9023427431. The cubic root of 22428771 is about 282.0125868332.

The spelling of 22428771 in words is "twenty-two million, four hundred twenty-eight thousand, seven hundred seventy-one".