36221845 has 8 divisors (see below), whose sum is σ = 47417760. Its totient is φ = 26343120.

The previous prime is 36221839. The next prime is 36221851. The reversal of 36221845 is 54812263.

It is an interprime number because it is at equal distance from previous prime (36221839) and next prime (36221851).

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

It is not a de Polignac number, because 36221845 - 2⁹ = 36221333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329235 + ... + 329344.

It is an arithmetic number, because the mean of its divisors is an integer number (5927220).

Almost surely, 2^36221845 is an apocalyptic number.

It is an amenable number.

36221845 is a deficient number, since it is larger than the sum of its proper divisors (11195915).

36221845 is a wasteful number, since it uses less digits than its factorization.

36221845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658595.

The product of its digits is 11520, while the sum is 31.

The square root of 36221845 is about 6018.4586897311. The cubic root of 36221845 is about 330.8695920234.

It can be divided in two parts, 362218 and 45, that added together give a palindrome (362263).

The spelling of 36221845 in words is "thirty-six million, two hundred twenty-one thousand, eight hundred forty-five".