4220392 has 32 divisors (see below), whose sum is σ = 8712000. Its totient is φ = 1900800.

The previous prime is 4220387. The next prime is 4220393. The reversal of 4220392 is 2930224.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (4220393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17392 + ... + 17632.

It is an arithmetic number, because the mean of its divisors is an integer number (272250).

Almost surely, 2^4220392 is an apocalyptic number.

It is an amenable number.

4220392 is an abundant number, since it is smaller than the sum of its proper divisors (4491608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4220392 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 4220392 = (2422930)₁₁.

4220392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 4220392 is about 2054.3592675090. The cubic root of 4220392 is about 161.6035624807.

The spelling of 4220392 in words is "four million, two hundred twenty thousand, three hundred ninety-two".