22242262230442 has 4 divisors (see below), whose sum is σ = 33363393345666. Its totient is φ = 11121131115220.

The previous prime is 22242262230427. The next prime is 22242262230451. The reversal of 22242262230442 is 24403226224222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13762757012761 + 8479505217681 = 3709819^2 + 2911959^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560565557609 + ... + 5560565557612.

Almost surely, 2^{22242262230442} is an apocalyptic number.

22242262230442 is a deficient number, since it is larger than the sum of its proper divisors (11121131115224).

22242262230442 is a wasteful number, since it uses less digits than its factorization.

22242262230442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11121131115223.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 22242262230442 its reverse (24403226224222), we get a palindrome (46645488454664).

The spelling of 22242262230442 in words is "twenty-two trillion, two hundred forty-two billion, two hundred sixty-two million, two hundred thirty thousand, four hundred forty-two".