1421351322 has 16 divisors (see below), whose sum is σ = 2843074080. Its totient is φ = 473721872.

The previous prime is 1421351293. The next prime is 1421351357. The reversal of 1421351322 is 2231531241.

It is a super-2 number, since 2×1421351322² = 4040479161102295368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1421351292 and 1421351301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74608 + ... + 91700.

It is an arithmetic number, because the mean of its divisors is an integer number (177692130).

Almost surely, 2^1421351322 is an apocalyptic number.

1421351322 is an abundant number, since it is smaller than the sum of its proper divisors (1421722758).

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

1421351322 is a wasteful number, since it uses less digits than its factorization.

1421351322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30957.

The product of its digits is 1440, while the sum is 24.

The square root of 1421351322 is about 37700.8132803525. The cubic root of 1421351322 is about 1124.3472946690.

Adding to 1421351322 its reverse (2231531241), we get a palindrome (3652882563).

The spelling of 1421351322 in words is "one billion, four hundred twenty-one million, three hundred fifty-one thousand, three hundred twenty-two".