22003224452 has 12 divisors (see below), whose sum is σ = 42006155856. Its totient is φ = 10001465640.

The previous prime is 22003224437. The next prime is 22003224461. The reversal of 22003224452 is 25442230022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250036598 + ... + 250036685.

It is an arithmetic number, because the mean of its divisors is an integer number (3500512988).

Almost surely, 2^22003224452 is an apocalyptic number.

22003224452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22003224452 is a deficient number, since it is larger than the sum of its proper divisors (20002931404).

22003224452 is a wasteful number, since it uses less digits than its factorization.

22003224452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500073298 (or 500073296 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 22003224452 its reverse (25442230022), we get a palindrome (47445454474).

The spelling of 22003224452 in words is "twenty-two billion, three million, two hundred twenty-four thousand, four hundred fifty-two".