422022413 has 4 divisors (see below), whose sum is σ = 436574940. Its totient is φ = 407469888.

The previous prime is 422022409. The next prime is 422022431. The reversal of 422022413 is 314220224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93760489 + 328261924 = 9683^2 + 18118^2 .

It is a cyclic number.

It is not a de Polignac number, because 422022413 - 2² = 422022409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422022463) 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, 7276220 + ... + 7276277.

It is an arithmetic number, because the mean of its divisors is an integer number (109143735).

Almost surely, 2^422022413 is an apocalyptic number.

It is an amenable number.

422022413 is a deficient number, since it is larger than the sum of its proper divisors (14552527).

422022413 is a wasteful number, since it uses less digits than its factorization.

422022413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14552526.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 422022413 is about 20543.1841008155. The cubic root of 422022413 is about 750.0873456791.

Adding to 422022413 its reverse (314220224), we get a palindrome (736242637).

The spelling of 422022413 in words is "four hundred twenty-two million, twenty-two thousand, four hundred thirteen".