22250120437 has 2 divisors, whose sum is σ = 22250120438. Its totient is φ = 22250120436.

The previous prime is 22250120401. The next prime is 22250120447. The reversal of 22250120437 is 73402105222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17910736561 + 4339383876 = 133831^2 + 65874^2 .

It is a cyclic number.

It is not a de Polignac number, because 22250120437 - 2¹¹ = 22250118389 is a prime.

It is a super-2 number, since 2×22250120437² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22250120447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11125060218 + 11125060219.

It is an arithmetic number, because the mean of its divisors is an integer number (11125060219).

Almost surely, 2^22250120437 is an apocalyptic number.

It is an amenable number.

22250120437 is a deficient number, since it is larger than the sum of its proper divisors (1).

22250120437 is an equidigital number, since it uses as much as digits as its factorization.

22250120437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 22250120437 its reverse (73402105222), we get a palindrome (95652225659).

The spelling of 22250120437 in words is "twenty-two billion, two hundred fifty million, one hundred twenty thousand, four hundred thirty-seven".