1530222472 has 16 divisors (see below), whose sum is σ = 2873811600. Its totient is φ = 763872720.

The previous prime is 1530222469. The next prime is 1530222481. The reversal of 1530222472 is 2742220351.

It is a self number, because there is not a number n which added to its sum of digits gives 1530222472.

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, 149554 + ... + 159457.

It is an arithmetic number, because the mean of its divisors is an integer number (179613225).

Almost surely, 2^1530222472 is an apocalyptic number.

It is an amenable number.

1530222472 is a deficient number, since it is larger than the sum of its proper divisors (1343589128).

1530222472 is a wasteful number, since it uses less digits than its factorization.

1530222472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309636 (or 309632 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1530222472 is about 39118.0581317631. The cubic root of 1530222472 is about 1152.3512002295.

The spelling of 1530222472 in words is "one billion, five hundred thirty million, two hundred twenty-two thousand, four hundred seventy-two".