22919950998 has 336 divisors, whose sum is σ = 63158261760. Its totient is φ = 6209330400.

The previous prime is 22919950997. The next prime is 22919951003. The reversal of 22919950998 is 89905991922.

22919950998 is a `hidden beast` number, since 2 + 29 + 19 + 9 + 509 + 98 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22919950997) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 174961393 + ... + 174961523.

Almost surely, 2^22919950998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22919950998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31579130880).

22919950998 is an abundant number, since it is smaller than the sum of its proper divisors (40238310762).

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

22919950998 is a wasteful number, since it uses less digits than its factorization.

22919950998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 63.

The spelling of 22919950998 in words is "twenty-two billion, nine hundred nineteen million, nine hundred fifty thousand, nine hundred ninety-eight".