22428058 has 8 divisors (see below), whose sum is σ = 33951060. Its totient is φ = 11111040.

The previous prime is 22428041. The next prime is 22428061. The reversal of 22428058 is 85082422.

It can be written as a sum of positive squares in 2 ways, for example, as 20187049 + 2241009 = 4493^2 + 1497^2 .

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

It is a super-3 number, since 3×22428058³ (a number of 23 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 51223 + ... + 51658.

Almost surely, 2^22428058 is an apocalyptic number.

22428058 is a deficient number, since it is larger than the sum of its proper divisors (11523002).

22428058 is a wasteful number, since it uses less digits than its factorization.

22428058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102992.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 22428058 is about 4735.8270660994. The cubic root of 22428058 is about 282.0095984527.

It can be divided in two parts, 224 and 28058, that added together give a palindrome (28282).

The spelling of 22428058 in words is "twenty-two million, four hundred twenty-eight thousand, fifty-eight".