633222642 has 16 divisors (see below), whose sum is σ = 1363864320. Its totient is φ = 194837712.

The previous prime is 633222619. The next prime is 633222649. The reversal of 633222642 is 246222336.

It is a super-3 number, since 3×633222642³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (633222649) 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, 4059042 + ... + 4059197.

It is an arithmetic number, because the mean of its divisors is an integer number (85241520).

Almost surely, 2^633222642 is an apocalyptic number.

633222642 is an abundant number, since it is smaller than the sum of its proper divisors (730641678).

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

633222642 is a wasteful number, since it uses less digits than its factorization.

633222642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8118257.

The product of its digits is 20736, while the sum is 30.

The square root of 633222642 is about 25163.9154743454. The cubic root of 633222642 is about 858.7211215178.

Adding to 633222642 its reverse (246222336), we get a palindrome (879444978).

The spelling of 633222642 in words is "six hundred thirty-three million, two hundred twenty-two thousand, six hundred forty-two".