36872229 has 4 divisors (see below), whose sum is σ = 49162976. Its totient is φ = 24581484.

The previous prime is 36872221. The next prime is 36872257. The reversal of 36872229 is 92227863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 36872229 - 2³ = 36872221 is a prime.

It is a super-2 number, since 2×36872229² = 2719122542856882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36872221) 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, 6145369 + ... + 6145374.

It is an arithmetic number, because the mean of its divisors is an integer number (12290744).

Almost surely, 2^36872229 is an apocalyptic number.

It is an amenable number.

36872229 is a deficient number, since it is larger than the sum of its proper divisors (12290747).

36872229 is a wasteful number, since it uses less digits than its factorization.

36872229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12290746.

The product of its digits is 72576, while the sum is 39.

The square root of 36872229 is about 6072.2507359298. The cubic root of 36872229 is about 332.8381740383.

The spelling of 36872229 in words is "thirty-six million, eight hundred seventy-two thousand, two hundred twenty-nine".