22454147029 has 2 divisors, whose sum is σ = 22454147030. Its totient is φ = 22454147028.

The previous prime is 22454147021. The next prime is 22454147033. The reversal of 22454147029 is 92074145422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15452976100 + 7001170929 = 124310^2 + 83673^2 .

It is a cyclic number.

It is not a de Polignac number, because 22454147029 - 2³ = 22454147021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22454146982 and 22454147000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22454147021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11227073514 + 11227073515.

It is an arithmetic number, because the mean of its divisors is an integer number (11227073515).

Almost surely, 2^22454147029 is an apocalyptic number.

It is an amenable number.

22454147029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22454147029 is an equidigital number, since it uses as much as digits as its factorization.

22454147029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 22454147029 in words is "twenty-two billion, four hundred fifty-four million, one hundred forty-seven thousand, twenty-nine".