22074197 has 2 divisors, whose sum is σ = 22074198. Its totient is φ = 22074196.

The previous prime is 22074167. The next prime is 22074223. The reversal of 22074197 is 79147022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15319396 + 6754801 = 3914^2 + 2599^2 .

It is a cyclic number.

It is not a de Polignac number, because 22074197 - 2¹⁰ = 22073173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22074127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11037098 + 11037099.

It is an arithmetic number, because the mean of its divisors is an integer number (11037099).

Almost surely, 2^22074197 is an apocalyptic number.

It is an amenable number.

22074197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22074197 is an equidigital number, since it uses as much as digits as its factorization.

22074197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 22074197 is about 4698.3185290059. The cubic root of 22074197 is about 280.5185840130.

The spelling of 22074197 in words is "twenty-two million, seventy-four thousand, one hundred ninety-seven".