1421022322 has 4 divisors (see below), whose sum is σ = 2131533486. Its totient is φ = 710511160.

The previous prime is 1421022313. The next prime is 1421022349. The reversal of 1421022322 is 2232201241.

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

It can be written as a sum of positive squares in only one way, i.e., 1309064761 + 111957561 = 36181^2 + 10581^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1421022322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355255579 + ... + 355255582.

Almost surely, 2^1421022322 is an apocalyptic number.

1421022322 is a deficient number, since it is larger than the sum of its proper divisors (710511164).

1421022322 is an equidigital number, since it uses as much as digits as its factorization.

1421022322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710511163.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1421022322 is about 37696.4497267316. The cubic root of 1421022322 is about 1124.2605371355.

Adding to 1421022322 its reverse (2232201241), we get a palindrome (3653223563).

The spelling of 1421022322 in words is "one billion, four hundred twenty-one million, twenty-two thousand, three hundred twenty-two".