3639022 has 8 divisors (see below), whose sum is σ = 5574816. Its totient is φ = 1780752.

The previous prime is 3639019. The next prime is 3639029. The reversal of 3639022 is 2209363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3639022² = 26484962232968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3639029) 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, 19263 + ... + 19450.

It is an arithmetic number, because the mean of its divisors is an integer number (696852).

Almost surely, 2^3639022 is an apocalyptic number.

3639022 is a deficient number, since it is larger than the sum of its proper divisors (1935794).

3639022 is a wasteful number, since it uses less digits than its factorization.

3639022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38762.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 3639022 is about 1907.6220799729. The cubic root of 3639022 is about 153.8136555330.

The spelling of 3639022 in words is "three million, six hundred thirty-nine thousand, twenty-two".