22250665133645 has 32 divisors (see below), whose sum is σ = 29102357918592. Its totient is φ = 16232618472192.

The previous prime is 22250665133633. The next prime is 22250665133677. The reversal of 22250665133645 is 54633156605222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22250665133645 - 2⁴ = 22250665133629 is a prime.

It is a super-3 number, since 3×22250665133645³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22250665133593 and 22250665133602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156022262 + ... + 156164808.

It is an arithmetic number, because the mean of its divisors is an integer number (909448684956).

Almost surely, 2^{22250665133645} is an apocalyptic number.

It is an amenable number.

22250665133645 is a deficient number, since it is larger than the sum of its proper divisors (6851692784947).

22250665133645 is a wasteful number, since it uses less digits than its factorization.

22250665133645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171581.

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 22250665133645 in words is "twenty-two trillion, two hundred fifty billion, six hundred sixty-five million, one hundred thirty-three thousand, six hundred forty-five".