36722399 has 4 divisors (see below), whose sum is σ = 41968464. Its totient is φ = 31476336.

The previous prime is 36722393. The next prime is 36722443. The reversal of 36722399 is 99322763.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36722399 - 2¹⁶ = 36656863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36722393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2623022 + ... + 2623035.

It is an arithmetic number, because the mean of its divisors is an integer number (10492116).

Almost surely, 2^36722399 is an apocalyptic number.

36722399 is a deficient number, since it is larger than the sum of its proper divisors (5246065).

36722399 is an equidigital number, since it uses as much as digits as its factorization.

36722399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246064.

The product of its digits is 122472, while the sum is 41.

The square root of 36722399 is about 6059.9009067806. The cubic root of 36722399 is about 332.3867336137.

The spelling of 36722399 in words is "thirty-six million, seven hundred twenty-two thousand, three hundred ninety-nine".