22402306276 has 27 divisors (see below), whose sum is σ = 45608961027. Its totient is φ = 9600090360.

The previous prime is 22402306253. The next prime is 22402306279. The reversal of 22402306276 is 67260320422.

The square root of 22402306276 is 149674.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (22402306279) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2090091 + ... + 2100781.

Almost surely, 2^22402306276 is an apocalyptic number.

22402306276 is the 149674-th square number.

It is an amenable number.

22402306276 is an abundant number, since it is smaller than the sum of its proper divisors (23206654751).

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

22402306276 is an frugal number, since it uses more digits than its factorization.

22402306276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21400 (or 10700 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

Adding to 22402306276 its reverse (67260320422), we get a palindrome (89662626698).

The spelling of 22402306276 in words is "twenty-two billion, four hundred two million, three hundred six thousand, two hundred seventy-six".