36622238 has 4 divisors (see below), whose sum is σ = 54933360. Its totient is φ = 18311118.

The previous prime is 36622237. The next prime is 36622277. The reversal of 36622238 is 83222663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83222663 = 29 ⋅2869747.

It is a super-2 number, since 2×36622238² = 2682376632257288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36622237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9155558 + ... + 9155561.

It is an arithmetic number, because the mean of its divisors is an integer number (13733340).

Almost surely, 2^36622238 is an apocalyptic number.

36622238 is a deficient number, since it is larger than the sum of its proper divisors (18311122).

36622238 is a wasteful number, since it uses less digits than its factorization.

36622238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18311121.

The product of its digits is 20736, while the sum is 32.

The square root of 36622238 is about 6051.6310198161. The cubic root of 36622238 is about 332.0842615274.

The spelling of 36622238 in words is "thirty-six million, six hundred twenty-two thousand, two hundred thirty-eight".