4018622 has 4 divisors (see below), whose sum is σ = 6027936. Its totient is φ = 2009310.

The previous prime is 4018589. The next prime is 4018627. The reversal of 4018622 is 2268104.

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

It is a super-2 number, since 2×4018622² = 32298645557768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4018627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004654 + ... + 1004657.

It is an arithmetic number, because the mean of its divisors is an integer number (1506984).

Almost surely, 2^4018622 is an apocalyptic number.

4018622 is a deficient number, since it is larger than the sum of its proper divisors (2009314).

4018622 is a wasteful number, since it uses less digits than its factorization.

4018622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009313.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 4018622 is about 2004.6500941561. The cubic root of 4018622 is about 158.9860620932.

The spelling of 4018622 in words is "four million, eighteen thousand, six hundred twenty-two".