22232115542522 has 4 divisors (see below), whose sum is σ = 33348173313786. Its totient is φ = 11116057771260.

The previous prime is 22232115542519. The next prime is 22232115542573. The reversal of 22232115542522 is 22524551123222.

It is a happy number.

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., 12573825229681 + 9658290312841 = 3545959^2 + 3107779^2 .

It is a super-2 number, since 2×22232115542522² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558028885629 + ... + 5558028885632.

Almost surely, 2^{22232115542522} is an apocalyptic number.

22232115542522 is a deficient number, since it is larger than the sum of its proper divisors (11116057771264).

22232115542522 is a wasteful number, since it uses less digits than its factorization.

22232115542522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11116057771263.

The product of its digits is 192000, while the sum is 38.

Adding to 22232115542522 its reverse (22524551123222), we get a palindrome (44756666665744).

The spelling of 22232115542522 in words is "twenty-two trillion, two hundred thirty-two billion, one hundred fifteen million, five hundred forty-two thousand, five hundred twenty-two".