22402342530 has 192 divisors, whose sum is σ = 63948044160. Its totient is φ = 5633058816.

The previous prime is 22402342519. The next prime is 22402342531. The reversal of 22402342530 is 3524320422.

It is a happy number.

22402342530 is a `hidden beast` number, since 2 + 2 + 402 + 3 + 4 + 253 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22402342494 and 22402342503.

It is not an unprimeable number, because it can be changed into a prime (22402342531) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3026514 + ... + 3033906.

It is an arithmetic number, because the mean of its divisors is an integer number (333062730).

Almost surely, 2^22402342530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22402342530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31974022080).

22402342530 is an abundant number, since it is smaller than the sum of its proper divisors (41545701630).

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

22402342530 is a wasteful number, since it uses less digits than its factorization.

22402342530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7487 (or 7475 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 22402342530 its reverse (3524320422), we get a palindrome (25926662952).

The spelling of 22402342530 in words is "twenty-two billion, four hundred two million, three hundred forty-two thousand, five hundred thirty".