2266664340 has 24 divisors (see below), whose sum is σ = 6346660320. Its totient is φ = 604443808.

The previous prime is 2266664339. The next prime is 2266664341. The reversal of 2266664340 is 434666622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2266664339) and next prime (2266664341).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266664341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18888810 + ... + 18888929.

It is an arithmetic number, because the mean of its divisors is an integer number (264444180).

Almost surely, 2^2266664340 is an apocalyptic number.

2266664340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2266664340 is an abundant number, since it is smaller than the sum of its proper divisors (4079995980).

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

2266664340 is a wasteful number, since it uses less digits than its factorization.

2266664340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37777751 (or 37777749 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 39.

The square root of 2266664340 is about 47609.4984220586. The cubic root of 2266664340 is about 1313.5977747174.

The spelling of 2266664340 in words is "two billion, two hundred sixty-six million, six hundred sixty-four thousand, three hundred forty".