36772229 has 4 divisors (see below), whose sum is σ = 39600876. Its totient is φ = 33943584.

The previous prime is 36772223. The next prime is 36772259. The reversal of 36772229 is 92227763.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92227763 = 89 ⋅1036267.

It can be written as a sum of positive squares in 2 ways, for example, as 2280100 + 34492129 = 1510^2 + 5873^2 .

It is a cyclic number.

It is not a de Polignac number, because 36772229 - 2¹² = 36768133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36772192 and 36772201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36772223) 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, 1414304 + ... + 1414329.

It is an arithmetic number, because the mean of its divisors is an integer number (9900219).

Almost surely, 2^36772229 is an apocalyptic number.

It is an amenable number.

36772229 is a deficient number, since it is larger than the sum of its proper divisors (2828647).

36772229 is a wasteful number, since it uses less digits than its factorization.

36772229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828646.

The product of its digits is 63504, while the sum is 38.

The square root of 36772229 is about 6064.0109663489. The cubic root of 36772229 is about 332.5370083367.

The spelling of 36772229 in words is "thirty-six million, seven hundred seventy-two thousand, two hundred twenty-nine".