36226739 has 4 divisors (see below), whose sum is σ = 37110360. Its totient is φ = 35343120.

The previous prime is 36226733. The next prime is 36226747. The reversal of 36226739 is 93762263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93762263 = 7 ⋅13394609.

It is a cyclic number.

It is not a de Polignac number, because 36226739 - 2¹² = 36222643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36226733) 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, 441749 + ... + 441830.

It is an arithmetic number, because the mean of its divisors is an integer number (9277590).

Almost surely, 2^36226739 is an apocalyptic number.

36226739 is a deficient number, since it is larger than the sum of its proper divisors (883621).

36226739 is an equidigital number, since it uses as much as digits as its factorization.

36226739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883620.

The product of its digits is 81648, while the sum is 38.

The square root of 36226739 is about 6018.8652585018. The cubic root of 36226739 is about 330.8844928184.

The spelling of 36226739 in words is "thirty-six million, two hundred twenty-six thousand, seven hundred thirty-nine".