422223437 has 2 divisors, whose sum is σ = 422223438. Its totient is φ = 422223436.

The previous prime is 422223433. The next prime is 422223457. The reversal of 422223437 is 734322224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415099876 + 7123561 = 20374^2 + 2669^2 .

It is a cyclic number.

It is not a de Polignac number, because 422223437 - 2² = 422223433 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422223433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211111718 + 211111719.

It is an arithmetic number, because the mean of its divisors is an integer number (211111719).

Almost surely, 2^422223437 is an apocalyptic number.

It is an amenable number.

422223437 is a deficient number, since it is larger than the sum of its proper divisors (1).

422223437 is an equidigital number, since it uses as much as digits as its factorization.

422223437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 29.

The square root of 422223437 is about 20548.0762359886. The cubic root of 422223437 is about 750.2064243653.

The spelling of 422223437 in words is "four hundred twenty-two million, two hundred twenty-three thousand, four hundred thirty-seven".