1428223522 has 8 divisors (see below), whose sum is σ = 2337093072. Its totient is φ = 649192500.

The previous prime is 1428223513. The next prime is 1428223549. The reversal of 1428223522 is 2253228241.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32459604 + ... + 32459647.

It is an arithmetic number, because the mean of its divisors is an integer number (292136634).

Almost surely, 2^1428223522 is an apocalyptic number.

1428223522 is a deficient number, since it is larger than the sum of its proper divisors (908869550).

1428223522 is a wasteful number, since it uses less digits than its factorization.

1428223522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64919264.

The product of its digits is 15360, while the sum is 31.

The square root of 1428223522 is about 37791.8446493420. The cubic root of 1428223522 is about 1126.1564462451.

The spelling of 1428223522 in words is "one billion, four hundred twenty-eight million, two hundred twenty-three thousand, five hundred twenty-two".