22671601 has 2 divisors, whose sum is σ = 22671602. Its totient is φ = 22671600.

The previous prime is 22671581. The next prime is 22671613. The reversal of 22671601 is 10617622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20711601 + 1960000 = 4551^2 + 1400^2 .

It is a cyclic number.

It is not a de Polignac number, because 22671601 - 2¹¹ = 22669553 is a prime.

It is not a weakly prime, because it can be changed into another prime (22671631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11335800 + 11335801.

It is an arithmetic number, because the mean of its divisors is an integer number (11335801).

Almost surely, 2^22671601 is an apocalyptic number.

It is an amenable number.

22671601 is a deficient number, since it is larger than the sum of its proper divisors (1).

22671601 is an equidigital number, since it uses as much as digits as its factorization.

22671601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 22671601 is about 4761.4704661480. The cubic root of 22671601 is about 283.0266927837.

The spelling of 22671601 in words is "twenty-two million, six hundred seventy-one thousand, six hundred one".