158622213 has 16 divisors (see below), whose sum is σ = 215631360. Its totient is φ = 103699824.

The previous prime is 158622209. The next prime is 158622221. The reversal of 158622213 is 312226851.

It is not a de Polignac number, because 158622213 - 2² = 158622209 is a prime.

It is a super-2 number, since 2×158622213² = 50322012914034738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158622413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32320 + ... + 36902.

It is an arithmetic number, because the mean of its divisors is an integer number (13476960).

Almost surely, 2^158622213 is an apocalyptic number.

It is an amenable number.

158622213 is a deficient number, since it is larger than the sum of its proper divisors (57009147).

158622213 is a wasteful number, since it uses less digits than its factorization.

158622213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808.

The product of its digits is 5760, while the sum is 30.

The square root of 158622213 is about 12594.5310750341. The cubic root of 158622213 is about 541.3207416954.

The spelling of 158622213 in words is "one hundred fifty-eight million, six hundred twenty-two thousand, two hundred thirteen".