19222998 has 16 divisors (see below), whose sum is σ = 39772080. Its totient is φ = 6186656.

The previous prime is 19222997. The next prime is 19222999. The reversal of 19222998 is 89922291.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (19222997) and next prime (19222999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19222997) 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, 55065 + ... + 55412.

It is an arithmetic number, because the mean of its divisors is an integer number (2485755).

Almost surely, 2^19222998 is an apocalyptic number.

19222998 is an abundant number, since it is smaller than the sum of its proper divisors (20549082).

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

19222998 is a wasteful number, since it uses less digits than its factorization.

19222998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110511.

The product of its digits is 46656, while the sum is 42.

The square root of 19222998 is about 4384.4039503677. The cubic root of 19222998 is about 267.8800513943.

The spelling of 19222998 in words is "nineteen million, two hundred twenty-two thousand, nine hundred ninety-eight".