642022062 has 32 divisors (see below), whose sum is σ = 1401784704. Its totient is φ = 194412000.

The previous prime is 642022061. The next prime is 642022063. The reversal of 642022062 is 260220246.

642022062 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (642022061) and next prime (642022063).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642022061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123312 + ... + 128412.

It is an arithmetic number, because the mean of its divisors is an integer number (43805772).

Almost surely, 2^642022062 is an apocalyptic number.

642022062 is an abundant number, since it is smaller than the sum of its proper divisors (759762642).

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

642022062 is a wasteful number, since it uses less digits than its factorization.

642022062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 642022062 is about 25338.1542737430. The cubic root of 642022062 is about 862.6805053001.

It can be divided in two parts, 6420 and 22062, that added together give a palindrome (28482).

The spelling of 642022062 in words is "six hundred forty-two million, twenty-two thousand, sixty-two".