63420222 has 16 divisors (see below), whose sum is σ = 127198080. Its totient is φ = 21080472.

The previous prime is 63420209. The next prime is 63420229. The reversal of 63420222 is 22202436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63420229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12568 + ... + 16875.

It is an arithmetic number, because the mean of its divisors is an integer number (7949880).

Almost surely, 2^63420222 is an apocalyptic number.

63420222 is an abundant number, since it is smaller than the sum of its proper divisors (63777858).

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

63420222 is a wasteful number, since it uses less digits than its factorization.

63420222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29807.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 63420222 is about 7963.6814351153. The cubic root of 63420222 is about 398.7884633187.

Adding to 63420222 its reverse (22202436), we get a palindrome (85622658).

The spelling of 63420222 in words is "sixty-three million, four hundred twenty thousand, two hundred twenty-two".