22402051950 has 96 divisors (see below), whose sum is σ = 58032000000. Its totient is φ = 5711771520.

The previous prime is 22402051949. The next prime is 22402051967. The reversal of 22402051950 is 5915020422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 423051 + ... + 473049.

It is an arithmetic number, because the mean of its divisors is an integer number (604500000).

Almost surely, 2^22402051950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22402051950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29016000000).

22402051950 is an abundant number, since it is smaller than the sum of its proper divisors (35629948050).

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

22402051950 is a wasteful number, since it uses less digits than its factorization.

22402051950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50146 (or 50141 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 22402051950 in words is "twenty-two billion, four hundred two million, fifty-one thousand, nine hundred fifty".