22302234402 has 64 divisors (see below), whose sum is σ = 52678923264. Its totient is φ = 6162206400.

The previous prime is 22302234401. The next prime is 22302234419. The reversal of 22302234402 is 20443220322.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22302234401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121273 + ... + 243539.

It is an arithmetic number, because the mean of its divisors is an integer number (823108176).

Almost surely, 2^22302234402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22302234402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26339461632).

22302234402 is an abundant number, since it is smaller than the sum of its proper divisors (30376688862).

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

22302234402 is a wasteful number, since it uses less digits than its factorization.

22302234402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122423.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 22302234402 its reverse (20443220322), we get a palindrome (42745454724).

The spelling of 22302234402 in words is "twenty-two billion, three hundred two million, two hundred thirty-four thousand, four hundred two".