4222998 has 24 divisors (see below), whose sum is σ = 9854208. Its totient is φ = 1299312.

The previous prime is 4222973. The next prime is 4223003. The reversal of 4222998 is 8992224.

It is a d-powerful number, because it can be written as 4 + 2¹³ + 2¹⁴ + 2²² + 9 + 9 + 8⁴ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8790 + ... + 9257.

It is an arithmetic number, because the mean of its divisors is an integer number (410592).

Almost surely, 2^4222998 is an apocalyptic number.

4222998 is an abundant number, since it is smaller than the sum of its proper divisors (5631210).

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

4222998 is a wasteful number, since it uses less digits than its factorization.

4222998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18068 (or 18065 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 4222998 is about 2054.9934306464. The cubic root of 4222998 is about 161.6368178617.

The spelling of 4222998 in words is "four million, two hundred twenty-two thousand, nine hundred ninety-eight".