2207254638 has 16 divisors (see below), whose sum is σ = 4427019216. Its totient is φ = 733666560.

The previous prime is 2207254613. The next prime is 2207254697. The reversal of 2207254638 is 8364527022.

It is a super-2 number, since 2×2207254638² = 9743946073945022088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2207254596 and 2207254605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518953 + ... + 523188.

It is an arithmetic number, because the mean of its divisors is an integer number (276688701).

Almost surely, 2^2207254638 is an apocalyptic number.

2207254638 is an abundant number, since it is smaller than the sum of its proper divisors (2219764578).

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

2207254638 is a wasteful number, since it uses less digits than its factorization.

2207254638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042499.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 2207254638 is about 46981.4286500528. The cubic root of 2207254638 is about 1302.0194722914.

The spelling of 2207254638 in words is "two billion, two hundred seven million, two hundred fifty-four thousand, six hundred thirty-eight".