2265430857 has 32 divisors (see below), whose sum is σ = 3296332800. Its totient is φ = 1378980288.

The previous prime is 2265430837. The next prime is 2265430859. The reversal of 2265430857 is 7580345622.

2265430857 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2265430857 - 2¹⁶ = 2265365321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2265430859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220644 + ... + 230682.

It is an arithmetic number, because the mean of its divisors is an integer number (103010400).

Almost surely, 2^2265430857 is an apocalyptic number.

It is an amenable number.

2265430857 is a deficient number, since it is larger than the sum of its proper divisors (1030901943).

2265430857 is a wasteful number, since it uses less digits than its factorization.

2265430857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10205.

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 2265430857 is about 47596.5424899750. The cubic root of 2265430857 is about 1313.3594517482.

The spelling of 2265430857 in words is "two billion, two hundred sixty-five million, four hundred thirty thousand, eight hundred fifty-seven".