22420042350 has 48 divisors (see below), whose sum is σ = 58019179392. Its totient is φ = 5718734560.

The previous prime is 22420042349. The next prime is 22420042369. The reversal of 22420042350 is 5324002422.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22420042350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3245832 + ... + 3252731.

It is an arithmetic number, because the mean of its divisors is an integer number (1208732904).

Almost surely, 2^22420042350 is an apocalyptic number.

22420042350 is an abundant number, since it is smaller than the sum of its proper divisors (35599137042).

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

22420042350 is a wasteful number, since it uses less digits than its factorization.

22420042350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6498601 (or 6498596 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 22420042350 its reverse (5324002422), we get a palindrome (27744044772).

The spelling of 22420042350 in words is "twenty-two billion, four hundred twenty million, forty-two thousand, three hundred fifty".