22919412541 has 2 divisors, whose sum is σ = 22919412542. Its totient is φ = 22919412540.

The previous prime is 22919412493. The next prime is 22919412599. The reversal of 22919412541 is 14521491922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22378664025 + 540748516 = 149595^2 + 23254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22919412541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22919412494 and 22919412503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22919410541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11459706270 + 11459706271.

It is an arithmetic number, because the mean of its divisors is an integer number (11459706271).

Almost surely, 2^22919412541 is an apocalyptic number.

It is an amenable number.

22919412541 is a deficient number, since it is larger than the sum of its proper divisors (1).

22919412541 is an equidigital number, since it uses as much as digits as its factorization.

22919412541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 40.

The spelling of 22919412541 in words is "twenty-two billion, nine hundred nineteen million, four hundred twelve thousand, five hundred forty-one".