2207448340 has 24 divisors (see below), whose sum is σ = 4637416392. Its totient is φ = 882641280.

The previous prime is 2207448293. The next prime is 2207448349. The reversal of 2207448340 is 438447022.

It can be written as a sum of positive squares in 4 ways, for example, as 254338704 + 1953109636 = 15948^2 + 44194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2207448296 and 2207448305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2207448349) 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, 36210 + ... + 75670.

It is an arithmetic number, because the mean of its divisors is an integer number (193225683).

Almost surely, 2^2207448340 is an apocalyptic number.

2207448340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2207448340 is an abundant number, since it is smaller than the sum of its proper divisors (2429968052).

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

2207448340 is a wasteful number, since it uses less digits than its factorization.

2207448340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42267 (or 42265 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 2207448340 is about 46983.4900789628. The cubic root of 2207448340 is about 1302.0575582761.

The spelling of 2207448340 in words is "two billion, two hundred seven million, four hundred forty-eight thousand, three hundred forty".