22001158 has 8 divisors (see below), whose sum is σ = 33044400. Its totient is φ = 10986360.

The previous prime is 22001143. The next prime is 22001173. The reversal of 22001158 is 85110022.

It is an interprime number because it is at equal distance from previous prime (22001143) and next prime (22001173).

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

It is a congruent number.

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, 5058 + ... + 8341.

It is an arithmetic number, because the mean of its divisors is an integer number (4130550).

Almost surely, 2^22001158 is an apocalyptic number.

22001158 is a deficient number, since it is larger than the sum of its proper divisors (11043242).

22001158 is a wasteful number, since it uses less digits than its factorization.

22001158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14222.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 22001158 is about 4690.5392014138. The cubic root of 22001158 is about 280.2088492847.

The spelling of 22001158 in words is "twenty-two million, one thousand, one hundred fifty-eight".