2207342140 has 24 divisors (see below), whose sum is σ = 4670808912. Its totient is φ = 876195840.

The previous prime is 2207342129. The next prime is 2207342143. The reversal of 2207342140 is 412437022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2207342143) 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, 418629 + ... + 423868.

It is an arithmetic number, because the mean of its divisors is an integer number (194617038).

Almost surely, 2^2207342140 is an apocalyptic number.

2207342140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2207342140 is an abundant number, since it is smaller than the sum of its proper divisors (2463466772).

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

2207342140 is a wasteful number, since it uses less digits than its factorization.

2207342140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842637 (or 842635 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2207342140 is about 46982.3598811299. The cubic root of 2207342140 is about 1302.0366773449.

Adding to 2207342140 its reverse (412437022), we get a palindrome (2619779162).

The spelling of 2207342140 in words is "two billion, two hundred seven million, three hundred forty-two thousand, one hundred forty".