422654249 has 2 divisors, whose sum is σ = 422654250. Its totient is φ = 422654248.

The previous prime is 422654237. The next prime is 422654261. The reversal of 422654249 is 942456224.

It is a balanced prime because it is at equal distance from previous prime (422654237) and next prime (422654261).

It can be written as a sum of positive squares in only one way, i.e., 215150224 + 207504025 = 14668^2 + 14405^2 .

It is a cyclic number.

It is not a de Polignac number, because 422654249 - 2²⁴ = 405877033 is a prime.

It is a super-2 number, since 2×422654249² = 357273228395508002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422654209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211327124 + 211327125.

It is an arithmetic number, because the mean of its divisors is an integer number (211327125).

Almost surely, 2^422654249 is an apocalyptic number.

It is an amenable number.

422654249 is a deficient number, since it is larger than the sum of its proper divisors (1).

422654249 is an equidigital number, since it uses as much as digits as its factorization.

422654249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 38.

The square root of 422654249 is about 20558.5565884378. The cubic root of 422654249 is about 750.4614931590.

The spelling of 422654249 in words is "four hundred twenty-two million, six hundred fifty-four thousand, two hundred forty-nine".