22402221030 has 224 divisors, whose sum is σ = 72103163904. Its totient is φ = 4897620288.

The previous prime is 22402221029. The next prime is 22402221043. The reversal of 22402221030 is 3012220422.

22402221030 is a `hidden beast` number, since 22 + 402 + 2 + 210 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22402220994 and 22402221012.

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 111 ways as a sum of consecutive naturals, for example, 1164147 + ... + 1183233.

Almost surely, 2^22402221030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22402221030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36051581952).

22402221030 is an abundant number, since it is smaller than the sum of its proper divisors (49700942874).

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

22402221030 is a wasteful number, since it uses less digits than its factorization.

22402221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19142 (or 19127 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22402221030 its reverse (3012220422), we get a palindrome (25414441452).

The spelling of 22402221030 in words is "twenty-two billion, four hundred two million, two hundred twenty-one thousand, thirty".