2221420622 has 4 divisors (see below), whose sum is σ = 3332130936. Its totient is φ = 1110710310.

The previous prime is 2221420603. The next prime is 2221420637. The reversal of 2221420622 is 2260241222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555355154 + ... + 555355157.

It is an arithmetic number, because the mean of its divisors is an integer number (833032734).

Almost surely, 2^2221420622 is an apocalyptic number.

2221420622 is a deficient number, since it is larger than the sum of its proper divisors (1110710314).

2221420622 is a wasteful number, since it uses less digits than its factorization.

2221420622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110710313.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2221420622 is about 47131.9490579373. The cubic root of 2221420622 is about 1304.7989535807.

Adding to 2221420622 its reverse (2260241222), we get a palindrome (4481661844).

The spelling of 2221420622 in words is "two billion, two hundred twenty-one million, four hundred twenty thousand, six hundred twenty-two".