22254003491 has 2 divisors, whose sum is σ = 22254003492. Its totient is φ = 22254003490.

The previous prime is 22254003463. The next prime is 22254003523. The reversal of 22254003491 is 19430045222.

It is an a-pointer prime, because the next prime (22254003523) can be obtained adding 22254003491 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22254003491 - 2⁶ = 22254003427 is a prime.

It is not a weakly prime, because it can be changed into another prime (22254005491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11127001745 + 11127001746.

It is an arithmetic number, because the mean of its divisors is an integer number (11127001746).

Almost surely, 2^22254003491 is an apocalyptic number.

22254003491 is a deficient number, since it is larger than the sum of its proper divisors (1).

22254003491 is an equidigital number, since it uses as much as digits as its factorization.

22254003491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 22254003491 in words is "twenty-two billion, two hundred fifty-four million, three thousand, four hundred ninety-one".