22151225503452 has 24 divisors (see below), whose sum is σ = 53468475354000. Its totient is φ = 7129130046976.

The previous prime is 22151225503411. The next prime is 22151225503507. The reversal of 22151225503452 is 25430552215122.

It is a self number, because there is not a number n which added to its sum of digits gives 22151225503452.

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, 31826473077 + ... + 31826473772.

It is an arithmetic number, because the mean of its divisors is an integer number (2227853139750).

Almost surely, 2^{22151225503452} is an apocalyptic number.

It is an amenable number.

22151225503452 is an abundant number, since it is smaller than the sum of its proper divisors (31317249850548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22151225503452 is a wasteful number, since it uses less digits than its factorization.

22151225503452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63652946885 (or 63652946883 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 22151225503452 its reverse (25430552215122), we get a palindrome (47581777718574).

The spelling of 22151225503452 in words is "twenty-two trillion, one hundred fifty-one billion, two hundred twenty-five million, five hundred three thousand, four hundred fifty-two".