22253521443222 has 32 divisors (see below), whose sum is σ = 45249928439040. Its totient is φ = 7294563379040.

The previous prime is 22253521443217. The next prime is 22253521443259. The reversal of 22253521443222 is 22234412535222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66978648 + ... + 67310075.

It is an arithmetic number, because the mean of its divisors is an integer number (1414060263720).

Almost surely, 2^{22253521443222} is an apocalyptic number.

22253521443222 is an abundant number, since it is smaller than the sum of its proper divisors (22996406995818).

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

22253521443222 is a wasteful number, since it uses less digits than its factorization.

22253521443222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134289188.

The product of its digits is 460800, while the sum is 39.

Adding to 22253521443222 its reverse (22234412535222), we get a palindrome (44487933978444).

The spelling of 22253521443222 in words is "twenty-two trillion, two hundred fifty-three billion, five hundred twenty-one million, four hundred forty-three thousand, two hundred twenty-two".