36221471 has 12 divisors (see below), whose sum is σ = 42878136. Its totient is φ = 30394320.

The previous prime is 36221461. The next prime is 36221477. The reversal of 36221471 is 17412263.

It is a de Polignac number, because none of the positive numbers 2^k-36221471 is a prime.

It is a super-3 number, since 3×36221471³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36221471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36221477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9941 + ... + 13086.

It is an arithmetic number, because the mean of its divisors is an integer number (3573178).

Almost surely, 2^36221471 is an apocalyptic number.

36221471 is a deficient number, since it is larger than the sum of its proper divisors (6656665).

36221471 is a wasteful number, since it uses less digits than its factorization.

36221471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23062 (or 23051 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 36221471 is about 6018.4276185728. The cubic root of 36221471 is about 330.8684532478.

The spelling of 36221471 in words is "thirty-six million, two hundred twenty-one thousand, four hundred seventy-one".