1428294212 has 24 divisors (see below), whose sum is σ = 2540268192. Its totient is φ = 702576000.

The previous prime is 1428294193. The next prime is 1428294221. The reversal of 1428294212 is 2124928241.

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, 71087 + ... + 88937.

It is an arithmetic number, because the mean of its divisors is an integer number (105844508).

Almost surely, 2^1428294212 is an apocalyptic number.

It is an amenable number.

1428294212 is a deficient number, since it is larger than the sum of its proper divisors (1111973980).

1428294212 is a wasteful number, since it uses less digits than its factorization.

1428294212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18179 (or 18177 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 1428294212 is about 37792.7798924609. The cubic root of 1428294212 is about 1126.1750256631.

The spelling of 1428294212 in words is "one billion, four hundred twenty-eight million, two hundred ninety-four thousand, two hundred twelve".