428703122 has 4 divisors (see below), whose sum is σ = 643054686. Its totient is φ = 214351560.

The previous prime is 428703083. The next prime is 428703131. The reversal of 428703122 is 221307824.

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., 389628121 + 39075001 = 19739^2 + 6251^2 .

It is a pancake number, because a pancake can be divided into 428703122 parts by 29281 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107175779 + ... + 107175782.

Almost surely, 2^428703122 is an apocalyptic number.

428703122 is a deficient number, since it is larger than the sum of its proper divisors (214351564).

428703122 is a wasteful number, since it uses less digits than its factorization.

428703122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214351563.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 428703122 is about 20705.1472344439. The cubic root of 428703122 is about 754.0246587165.

The spelling of 428703122 in words is "four hundred twenty-eight million, seven hundred three thousand, one hundred twenty-two".