1421345222 has 8 divisors (see below), whose sum is σ = 2325837672. Its totient is φ = 646066000.

The previous prime is 1421345213. The next prime is 1421345273. The reversal of 1421345222 is 2225431241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1421345191 and 1421345200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32303279 + ... + 32303322.

It is an arithmetic number, because the mean of its divisors is an integer number (290729709).

Almost surely, 2^1421345222 is an apocalyptic number.

1421345222 is a deficient number, since it is larger than the sum of its proper divisors (904492450).

1421345222 is a wasteful number, since it uses less digits than its factorization.

1421345222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64606614.

The product of its digits is 3840, while the sum is 26.

The square root of 1421345222 is about 37700.7323801541. The cubic root of 1421345222 is about 1124.3456862165.

Adding to 1421345222 its reverse (2225431241), we get a palindrome (3646776463).

It can be divided in two parts, 1421 and 345222, that added together give a palindrome (346643).

The spelling of 1421345222 in words is "one billion, four hundred twenty-one million, three hundred forty-five thousand, two hundred twenty-two".