422270549 has 4 divisors (see below), whose sum is σ = 422413440. Its totient is φ = 422127660.

The previous prime is 422270539. The next prime is 422270587. The reversal of 422270549 is 945072224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422270549 - 2⁴ = 422270533 is a prime.

It is a super-2 number, since 2×422270549² = 356624833105522802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422270539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66917 + ... + 72954.

It is an arithmetic number, because the mean of its divisors is an integer number (105603360).

Almost surely, 2^422270549 is an apocalyptic number.

It is an amenable number.

422270549 is a deficient number, since it is larger than the sum of its proper divisors (142891).

422270549 is a wasteful number, since it uses less digits than its factorization.

422270549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142890.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 422270549 is about 20549.2225887015. Note that the first 3 decimals coincide. The cubic root of 422270549 is about 750.2343261881.

The spelling of 422270549 in words is "four hundred twenty-two million, two hundred seventy thousand, five hundred forty-nine".