4028228629 has 4 divisors (see below), whose sum is σ = 4158171520. Its totient is φ = 3898285740.

The previous prime is 4028228609. The next prime is 4028228651. The reversal of 4028228629 is 9268228204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4028228629 - 2⁵ = 4028228597 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 (4028228609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64971399 + ... + 64971460.

It is an arithmetic number, because the mean of its divisors is an integer number (1039542880).

Almost surely, 2^4028228629 is an apocalyptic number.

It is an amenable number.

4028228629 is a deficient number, since it is larger than the sum of its proper divisors (129942891).

4028228629 is a wasteful number, since it uses less digits than its factorization.

4028228629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129942890.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 4028228629 is about 63468.3277627511. The cubic root of 4028228629 is about 1591.1264816301.

The spelling of 4028228629 in words is "four billion, twenty-eight million, two hundred twenty-eight thousand, six hundred twenty-nine".