1528422223 has 8 divisors (see below), whose sum is σ = 1535662800. Its totient is φ = 1521193728.

The previous prime is 1528422221. The next prime is 1528422277. The reversal of 1528422223 is 3222248251.

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

It is a cyclic number.

It is not a de Polignac number, because 1528422223 - 2¹ = 1528422221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528422221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336415 + ... + 340927.

It is an arithmetic number, because the mean of its divisors is an integer number (191957850).

Almost surely, 2^1528422223 is an apocalyptic number.

1528422223 is a deficient number, since it is larger than the sum of its proper divisors (7240577).

1528422223 is a wasteful number, since it uses less digits than its factorization.

1528422223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6041.

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

The square root of 1528422223 is about 39095.0409003495. The cubic root of 1528422223 is about 1151.8991236639.

The spelling of 1528422223 in words is "one billion, five hundred twenty-eight million, four hundred twenty-two thousand, two hundred twenty-three".