22451202224 has 40 divisors (see below), whose sum is σ = 47486484480. Its totient is φ = 10198036800.

The previous prime is 22451202143. The next prime is 22451202227. The reversal of 22451202224 is 42220215422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22451202193 and 22451202202.

It is not an unprimeable number, because it can be changed into a prime (22451202227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215537 + ... + 302255.

It is an arithmetic number, because the mean of its divisors is an integer number (1187162112).

Almost surely, 2^22451202224 is an apocalyptic number.

It is an amenable number.

22451202224 is an abundant number, since it is smaller than the sum of its proper divisors (25035282256).

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

22451202224 is a wasteful number, since it uses less digits than its factorization.

22451202224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88209 (or 88203 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 22451202224 its reverse (42220215422), we get a palindrome (64671417646).

The spelling of 22451202224 in words is "twenty-two billion, four hundred fifty-one million, two hundred two thousand, two hundred twenty-four".