3642212022 has 32 divisors (see below), whose sum is σ = 7978888800. Its totient is φ = 1103251968.

The previous prime is 3642212009. The next prime is 3642212029. The reversal of 3642212022 is 2202122463.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3642211983 and 3642212001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642212029) 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, 612697 + ... + 618612.

It is an arithmetic number, because the mean of its divisors is an integer number (249340275).

Almost surely, 2^3642212022 is an apocalyptic number.

3642212022 is an abundant number, since it is smaller than the sum of its proper divisors (4336676778).

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

3642212022 is a wasteful number, since it uses less digits than its factorization.

3642212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231360.

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

The square root of 3642212022 is about 60350.7416855833. The cubic root of 3642212022 is about 1538.5858753570.

Adding to 3642212022 its reverse (2202122463), we get a palindrome (5844334485).

The spelling of 3642212022 in words is "three billion, six hundred forty-two million, two hundred twelve thousand, twenty-two".