1420521322 has 8 divisors (see below), whose sum is σ = 2324489472. Its totient is φ = 645691500.

The previous prime is 1420521287. The next prime is 1420521371. The reversal of 1420521322 is 2231250241.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 64569151 = 1420521322 / (1 + 4 + 2 + 0 + 5 + 2 + 1 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1420521293 and 1420521302.

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, 32284554 + ... + 32284597.

It is an arithmetic number, because the mean of its divisors is an integer number (290561184).

Almost surely, 2^1420521322 is an apocalyptic number.

1420521322 is a deficient number, since it is larger than the sum of its proper divisors (903968150).

1420521322 is a wasteful number, since it uses less digits than its factorization.

1420521322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64569164.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1420521322 is about 37689.8039527934. The cubic root of 1420521322 is about 1124.1283973543.

Adding to 1420521322 its reverse (2231250241), we get a palindrome (3651771563).

The spelling of 1420521322 in words is "one billion, four hundred twenty million, five hundred twenty-one thousand, three hundred twenty-two".