2306220774 has 64 divisors (see below), whose sum is σ = 5433136128. Its totient is φ = 643392000.

The previous prime is 2306220773. The next prime is 2306220781. The reversal of 2306220774 is 4770226032.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2306220773) 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, 340707 + ... + 347409.

It is an arithmetic number, because the mean of its divisors is an integer number (84892752).

Almost surely, 2^2306220774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2306220774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2716568064).

2306220774 is an abundant number, since it is smaller than the sum of its proper divisors (3126915354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2306220774 is a wasteful number, since it uses less digits than its factorization.

2306220774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7133.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 2306220774 is about 48023.1274908247. The cubic root of 2306220774 is about 1321.1951171192.

The spelling of 2306220774 in words is "two billion, three hundred six million, two hundred twenty thousand, seven hundred seventy-four".