22541401049 has 2 divisors, whose sum is σ = 22541401050. Its totient is φ = 22541401048.

The previous prime is 22541401037. The next prime is 22541401139. The reversal of 22541401049 is 94010414522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19703175424 + 2838225625 = 140368^2 + 53275^2 .

It is a cyclic number.

It is not a de Polignac number, because 22541401049 - 2⁴ = 22541401033 is a prime.

It is a super-2 number, since 2×22541401049² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22541406049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270700524 + 11270700525.

It is an arithmetic number, because the mean of its divisors is an integer number (11270700525).

Almost surely, 2^22541401049 is an apocalyptic number.

It is an amenable number.

22541401049 is a deficient number, since it is larger than the sum of its proper divisors (1).

22541401049 is an equidigital number, since it uses as much as digits as its factorization.

22541401049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 22541401049 in words is "twenty-two billion, five hundred forty-one million, four hundred one thousand, forty-nine".