22225353242 has 4 divisors (see below), whose sum is σ = 33338029866. Its totient is φ = 11112676620.

The previous prime is 22225353229. The next prime is 22225353263. The reversal of 22225353242 is 24235352222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24235352222 = 2 ⋅12117676111.

It can be written as a sum of positive squares in only one way, i.e., 20984129881 + 1241223361 = 144859^2 + 35231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22225353199 and 22225353208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556338309 + ... + 5556338312.

Almost surely, 2^22225353242 is an apocalyptic number.

22225353242 is a deficient number, since it is larger than the sum of its proper divisors (11112676624).

22225353242 is a wasteful number, since it uses less digits than its factorization.

22225353242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112676623.

The product of its digits is 57600, while the sum is 32.

The spelling of 22225353242 in words is "twenty-two billion, two hundred twenty-five million, three hundred fifty-three thousand, two hundred forty-two".