22203311215044 has 12 divisors (see below), whose sum is σ = 51807726168464. Its totient is φ = 7401103738344.

The previous prime is 22203311215021. The next prime is 22203311215087. The reversal of 22203311215044 is 44051211330222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22203311215044² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925137967282 + ... + 925137967305.

Almost surely, 2^{22203311215044} is an apocalyptic number.

It is an amenable number.

22203311215044 is an abundant number, since it is smaller than the sum of its proper divisors (29604414953420).

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

22203311215044 is a wasteful number, since it uses less digits than its factorization.

22203311215044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850275934594 (or 1850275934592 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 22203311215044 its reverse (44051211330222), we get a palindrome (66254522545266).

The spelling of 22203311215044 in words is "twenty-two trillion, two hundred three billion, three hundred eleven million, two hundred fifteen thousand, forty-four".