29228858 has 8 divisors (see below), whose sum is σ = 43866228. Its totient is φ = 14606784.

The previous prime is 29228819. The next prime is 29228861. The reversal of 29228858 is 85882292.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28376929 + 851929 = 5327^2 + 923^2 .

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

It is a super-2 number, since 2×29228858² = 1708652279968328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5660 + ... + 9512.

Almost surely, 2^29228858 is an apocalyptic number.

29228858 is a deficient number, since it is larger than the sum of its proper divisors (14637370).

29228858 is a wasteful number, since it uses less digits than its factorization.

29228858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7648.

The product of its digits is 184320, while the sum is 44.

The square root of 29228858 is about 5406.3719812828. The cubic root of 29228858 is about 308.0377546904.

The spelling of 29228858 in words is "twenty-nine million, two hundred twenty-eight thousand, eight hundred fifty-eight".