1228350685 has 8 divisors (see below), whose sum is σ = 1508300640. Its totient is φ = 959827344.

The previous prime is 1228350671. The next prime is 1228350707. The reversal of 1228350685 is 5860538221.

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 1228350685 - 2⁹ = 1228350173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2856415 + ... + 2856844.

It is an arithmetic number, because the mean of its divisors is an integer number (188537580).

Almost surely, 2^1228350685 is an apocalyptic number.

It is an amenable number.

1228350685 is a deficient number, since it is larger than the sum of its proper divisors (279949955).

1228350685 is an equidigital number, since it uses as much as digits as its factorization.

1228350685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713307.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1228350685 is about 35047.8342412195. The cubic root of 1228350685 is about 1070.9621546217.

The spelling of 1228350685 in words is "one billion, two hundred twenty-eight million, three hundred fifty thousand, six hundred eighty-five".