63223402 has 16 divisors (see below), whose sum is σ = 104876352. Its totient is φ = 28343520.

The previous prime is 63223333. The next prime is 63223403. The reversal of 63223402 is 20432236.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (63223403) 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, 18078 + ... + 21289.

It is an arithmetic number, because the mean of its divisors is an integer number (6554772).

Almost surely, 2^63223402 is an apocalyptic number.

63223402 is a deficient number, since it is larger than the sum of its proper divisors (41652950).

63223402 is a wasteful number, since it uses less digits than its factorization.

63223402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39453.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 63223402 is about 7951.3144825243. The cubic root of 63223402 is about 398.3754989220.

Adding to 63223402 its reverse (20432236), we get a palindrome (83655638).

The spelling of 63223402 in words is "sixty-three million, two hundred twenty-three thousand, four hundred two".