2139622 has 4 divisors (see below), whose sum is σ = 3209436. Its totient is φ = 1069810.

The previous prime is 2139611. The next prime is 2139653. The reversal of 2139622 is 2269312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534904 + ... + 534907.

It is an arithmetic number, because the mean of its divisors is an integer number (802359).

2^2139622 is an apocalyptic number.

2139622 is a deficient number, since it is larger than the sum of its proper divisors (1069814).

2139622 is a wasteful number, since it uses less digits than its factorization.

2139622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069813.

The product of its digits is 1296, while the sum is 25.

The square root of 2139622 is about 1462.7446803868. The cubic root of 2139622 is about 128.8582863774.

The spelling of 2139622 in words is "two million, one hundred thirty-nine thousand, six hundred twenty-two".