422031101 has 2 divisors, whose sum is σ = 422031102. Its totient is φ = 422031100.

The previous prime is 422031083. The next prime is 422031107. The reversal of 422031101 is 101130224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 406828900 + 15202201 = 20170^2 + 3899^2 .

It is a cyclic number.

It is not a de Polignac number, because 422031101 - 2¹⁴ = 422014717 is a prime.

It is a super-2 number, since 2×422031101² = 356220500422544402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422031107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211015550 + 211015551.

It is an arithmetic number, because the mean of its divisors is an integer number (211015551).

Almost surely, 2^422031101 is an apocalyptic number.

It is an amenable number.

422031101 is a deficient number, since it is larger than the sum of its proper divisors (1).

422031101 is an equidigital number, since it uses as much as digits as its factorization.

422031101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 422031101 is about 20543.3955567233. The cubic root of 422031101 is about 750.0924928892.

Adding to 422031101 its reverse (101130224), we get a palindrome (523161325).

The spelling of 422031101 in words is "four hundred twenty-two million, thirty-one thousand, one hundred one".