22145230521104 has 10 divisors (see below), whose sum is σ = 42906384134670. Its totient is φ = 11072615260544.

The previous prime is 22145230521103. The next prime is 22145230521121. The reversal of 22145230521104 is 40112503254122.

It can be written as a sum of positive squares in only one way, i.e., 18255452569600 + 3889777951504 = 4272640^2 + 1972252^2 .

It is a super-2 number, since 2×22145230521104² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22145230521103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692038453769 + ... + 692038453800.

It is an arithmetic number, because the mean of its divisors is an integer number (4290638413467).

Almost surely, 2^{22145230521104} is an apocalyptic number.

It is an amenable number.

22145230521104 is a deficient number, since it is larger than the sum of its proper divisors (20761153613566).

22145230521104 is a wasteful number, since it uses less digits than its factorization.

22145230521104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384076907577 (or 1384076907571 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 22145230521104 its reverse (40112503254122), we get a palindrome (62257733775226).

The spelling of 22145230521104 in words is "twenty-two trillion, one hundred forty-five billion, two hundred thirty million, five hundred twenty-one thousand, one hundred four".