422181037 has 2 divisors, whose sum is σ = 422181038. Its totient is φ = 422181036.

The previous prime is 422181029. The next prime is 422181041. The reversal of 422181037 is 730181224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419184676 + 2996361 = 20474^2 + 1731^2 .

It is a cyclic number.

It is not a de Polignac number, because 422181037 - 2³ = 422181029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422180996 and 422181014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422181737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211090518 + 211090519.

It is an arithmetic number, because the mean of its divisors is an integer number (211090519).

Almost surely, 2^422181037 is an apocalyptic number.

It is an amenable number.

422181037 is a deficient number, since it is larger than the sum of its proper divisors (1).

422181037 is an equidigital number, since it uses as much as digits as its factorization.

422181037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 422181037 is about 20547.0444833314. The cubic root of 422181037 is about 750.1813114240.

It can be divided in two parts, 4221 and 81037, that added together give a palindrome (85258).

The spelling of 422181037 in words is "four hundred twenty-two million, one hundred eighty-one thousand, thirty-seven".