36862221 has 16 divisors (see below), whose sum is σ = 54033408. Its totient is φ = 22167600.

The previous prime is 36862211. The next prime is 36862237. The reversal of 36862221 is 12226863.

It is not a de Polignac number, because 36862221 - 2¹³ = 36854029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36862211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60 + ... + 8586.

It is an arithmetic number, because the mean of its divisors is an integer number (3377088).

Almost surely, 2^36862221 is an apocalyptic number.

It is an amenable number.

36862221 is a deficient number, since it is larger than the sum of its proper divisors (17171187).

36862221 is a wasteful number, since it uses less digits than its factorization.

36862221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8672.

The product of its digits is 6912, while the sum is 30.

The square root of 36862221 is about 6071.4266033610. The cubic root of 36862221 is about 332.8080579142.

The spelling of 36862221 in words is "thirty-six million, eight hundred sixty-two thousand, two hundred twenty-one".