428267522 has 4 divisors (see below), whose sum is σ = 642401286. Its totient is φ = 214133760.

The previous prime is 428267501. The next prime is 428267537. The reversal of 428267522 is 225762824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 221741881 + 206525641 = 14891^2 + 14371^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107066879 + ... + 107066882.

Almost surely, 2^428267522 is an apocalyptic number.

428267522 is a deficient number, since it is larger than the sum of its proper divisors (214133764).

428267522 is a wasteful number, since it uses less digits than its factorization.

428267522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214133763.

The product of its digits is 107520, while the sum is 38.

The square root of 428267522 is about 20694.6254375381. The cubic root of 428267522 is about 753.7691870913.

The spelling of 428267522 in words is "four hundred twenty-eight million, two hundred sixty-seven thousand, five hundred twenty-two".