22704541 has 2 divisors, whose sum is σ = 22704542. Its totient is φ = 22704540.

The previous prime is 22704509. The next prime is 22704553. The reversal of 22704541 is 14540722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21427641 + 1276900 = 4629^2 + 1130^2 .

It is a cyclic number.

It is not a de Polignac number, because 22704541 - 2⁵ = 22704509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22704581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11352270 + 11352271.

It is an arithmetic number, because the mean of its divisors is an integer number (11352271).

Almost surely, 2^22704541 is an apocalyptic number.

It is an amenable number.

22704541 is a deficient number, since it is larger than the sum of its proper divisors (1).

22704541 is an equidigital number, since it uses as much as digits as its factorization.

22704541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 22704541 is about 4764.9282261121. The cubic root of 22704541 is about 283.1636980730.

It can be divided in two parts, 2270 and 4541, that multiplied together give a triangular number (10308070 = T₄₅₄₀).

The spelling of 22704541 in words is "twenty-two million, seven hundred four thousand, five hundred forty-one".