4220366 has 4 divisors (see below), whose sum is σ = 6330552. Its totient is φ = 2110182.

The previous prime is 4220357. The next prime is 4220387. The reversal of 4220366 is 6630224.

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

It is a super-2 number, since 2×4220366² = 35622978347912, which contains 22 as substring.

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, 1055090 + ... + 1055093.

It is an arithmetic number, because the mean of its divisors is an integer number (1582638).

Almost surely, 2^4220366 is an apocalyptic number.

4220366 is a deficient number, since it is larger than the sum of its proper divisors (2110186).

4220366 is a wasteful number, since it uses less digits than its factorization.

4220366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110185.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4220366 is about 2054.3529394921. The cubic root of 4220366 is about 161.6032306236.

The spelling of 4220366 in words is "four million, two hundred twenty thousand, three hundred sixty-six".