2207622740 has 48 divisors (see below), whose sum is σ = 4678128000. Its totient is φ = 875056512.

The previous prime is 2207622733. The next prime is 2207622743. The reversal of 2207622740 is 472267022.

It is a junction number, because it is equal to n+sod(n) for n = 2207622697 and 2207622706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2207622743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2165951 + ... + 2166969.

It is an arithmetic number, because the mean of its divisors is an integer number (97461000).

Almost surely, 2^2207622740 is an apocalyptic number.

2207622740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2207622740 is an abundant number, since it is smaller than the sum of its proper divisors (2470505260).

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

2207622740 is a wasteful number, since it uses less digits than its factorization.

2207622740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904 (or 1902 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 2207622740 is about 46985.3460134115. The cubic root of 2207622740 is about 1302.0918471658.

Adding to 2207622740 its reverse (472267022), we get a palindrome (2679889762).

The spelling of 2207622740 in words is "two billion, two hundred seven million, six hundred twenty-two thousand, seven hundred forty".