1499422428 has 60 divisors (see below), whose sum is σ = 4479762672. Its totient is φ = 428405760.

The previous prime is 1499422391. The next prime is 1499422429. The reversal of 1499422428 is 8242249941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1499422429) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 328293 + ... + 332828.

Almost surely, 2^1499422428 is an apocalyptic number.

1499422428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1499422428 is an abundant number, since it is smaller than the sum of its proper divisors (2980340244).

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

1499422428 is a wasteful number, since it uses less digits than its factorization.

1499422428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661144 (or 661133 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 1499422428 is about 38722.3763217084. The cubic root of 1499422428 is about 1144.5673003819.

The spelling of 1499422428 in words is "one billion, four hundred ninety-nine million, four hundred twenty-two thousand, four hundred twenty-eight".