4222981 has 4 divisors (see below), whose sum is σ = 4826272. Its totient is φ = 3619692.

The previous prime is 4222973. The next prime is 4223003. The reversal of 4222981 is 1892224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4222981 - 2³ = 4222973 is a prime.

It is a super-2 number, since 2×4222981² = 35667137052722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301635 + ... + 301648.

It is an arithmetic number, because the mean of its divisors is an integer number (1206568).

Almost surely, 2^4222981 is an apocalyptic number.

It is an amenable number.

4222981 is a deficient number, since it is larger than the sum of its proper divisors (603291).

4222981 is an equidigital number, since it uses as much as digits as its factorization.

4222981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603290.

The product of its digits is 2304, while the sum is 28.

The square root of 4222981 is about 2054.9892943760. The cubic root of 4222981 is about 161.6366009677.

It can be divided in two parts, 422 and 2981, that added together give a triangular number (3403 = T₈₂).

The spelling of 4222981 in words is "four million, two hundred twenty-two thousand, nine hundred eighty-one".