2221142622 has 32 divisors (see below), whose sum is σ = 4611271680. Its totient is φ = 712484160.

The previous prime is 2221142621. The next prime is 2221142681. The reversal of 2221142622 is 2262411222.

2221142622 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2221142592 and 2221142601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221142621) 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, 63 + ... + 66650.

It is an arithmetic number, because the mean of its divisors is an integer number (144102240).

Almost surely, 2^2221142622 is an apocalyptic number.

2221142622 is an abundant number, since it is smaller than the sum of its proper divisors (2390129058).

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

2221142622 is a wasteful number, since it uses less digits than its factorization.

2221142622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66928.

The product of its digits is 1536, while the sum is 24.

The square root of 2221142622 is about 47128.9997984256. Note that the first 3 decimals coincide. The cubic root of 2221142622 is about 1304.7445215597.

Adding to 2221142622 its reverse (2262411222), we get a palindrome (4483553844).

The spelling of 2221142622 in words is "two billion, two hundred twenty-one million, one hundred forty-two thousand, six hundred twenty-two".