40222422197 has 2 divisors, whose sum is σ = 40222422198. Its totient is φ = 40222422196.

The previous prime is 40222422179. The next prime is 40222422211. The reversal of 40222422197 is 79122422204.

Together with previous prime (40222422179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38720007076 + 1502415121 = 196774^2 + 38761^2 .

It is a cyclic number.

It is not a de Polignac number, because 40222422197 - 2¹⁶ = 40222356661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40222422797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20111211098 + 20111211099.

It is an arithmetic number, because the mean of its divisors is an integer number (20111211099).

Almost surely, 2^40222422197 is an apocalyptic number.

It is an amenable number.

40222422197 is a deficient number, since it is larger than the sum of its proper divisors (1).

40222422197 is an equidigital number, since it uses as much as digits as its factorization.

40222422197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 40222422197 in words is "forty billion, two hundred twenty-two million, four hundred twenty-two thousand, one hundred ninety-seven".