22242240310442 has 4 divisors (see below), whose sum is σ = 33363360465666. Its totient is φ = 11121120155220.

The previous prime is 22242240310439. The next prime is 22242240310447. The reversal of 22242240310442 is 24401304224222.

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., 21125137171681 + 1117103138761 = 4596209^2 + 1056931^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22242240310399 and 22242240310408.

It is not an unprimeable number, because it can be changed into a prime (22242240310447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560560077609 + ... + 5560560077612.

Almost surely, 2^{22242240310442} is an apocalyptic number.

22242240310442 is a deficient number, since it is larger than the sum of its proper divisors (11121120155224).

22242240310442 is a wasteful number, since it uses less digits than its factorization.

22242240310442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11121120155223.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 22242240310442 its reverse (24401304224222), we get a palindrome (46643544534664).

The spelling of 22242240310442 in words is "twenty-two trillion, two hundred forty-two billion, two hundred forty million, three hundred ten thousand, four hundred forty-two".