422120544 has 48 divisors (see below), whose sum is σ = 1109188080. Its totient is φ = 140564480.

The previous prime is 422120539. The next prime is 422120563. The reversal of 422120544 is 445021224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140692 + ... + 143660.

It is an arithmetic number, because the mean of its divisors is an integer number (23108085).

Almost surely, 2^422120544 is an apocalyptic number.

It is an amenable number.

422120544 is an abundant number, since it is smaller than the sum of its proper divisors (687067536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422120544 is a wasteful number, since it uses less digits than its factorization.

422120544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463 (or 4455 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 422120544 is about 20545.5723697346. The cubic root of 422120544 is about 750.1454793347.

Adding to 422120544 its reverse (445021224), we get a palindrome (867141768).

The spelling of 422120544 in words is "four hundred twenty-two million, one hundred twenty thousand, five hundred forty-four".