4155622 has 4 divisors (see below), whose sum is σ = 6233436. Its totient is φ = 2077810.

The previous prime is 4155611. The next prime is 4155629. The reversal of 4155622 is 2265514.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038904 + ... + 1038907.

It is an arithmetic number, because the mean of its divisors is an integer number (1558359).

Almost surely, 2^4155622 is an apocalyptic number.

4155622 is a deficient number, since it is larger than the sum of its proper divisors (2077814).

4155622 is a wasteful number, since it uses less digits than its factorization.

4155622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077813.

The product of its digits is 2400, while the sum is 25.

The square root of 4155622 is about 2038.5342773670. The cubic root of 4155622 is about 160.7725915101.

The spelling of 4155622 in words is "four million, one hundred fifty-five thousand, six hundred twenty-two".