22112001542 has 16 divisors (see below), whose sum is σ = 33946186560. Its totient is φ = 10796709672.

The previous prime is 22112001529. The next prime is 22112001553. The reversal of 22112001542 is 24510021122.

It is a super-2 number, since 2×22112001542² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455309 + ... + 501527.

It is an arithmetic number, because the mean of its divisors is an integer number (2121636660).

Almost surely, 2^22112001542 is an apocalyptic number.

22112001542 is a deficient number, since it is larger than the sum of its proper divisors (11834185018).

22112001542 is a wasteful number, since it uses less digits than its factorization.

22112001542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51827.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 22112001542 its reverse (24510021122), we get a palindrome (46622022664).

The spelling of 22112001542 in words is "twenty-two billion, one hundred twelve million, one thousand, five hundred forty-two".