2251622225207 has 8 divisors (see below), whose sum is σ = 2264993986752. Its totient is φ = 2238288184800.

The previous prime is 2251622225197. The next prime is 2251622225219. The reversal of 2251622225207 is 7025222261522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2251622225207 - 2⁴ = 2251622225191 is a prime.

It is a super-2 number, since 2×2251622225207² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251622225407) 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, 9310544 + ... + 9549317.

It is an arithmetic number, because the mean of its divisors is an integer number (283124248344).

Almost surely, 2^{2251622225207} is an apocalyptic number.

2251622225207 is a deficient number, since it is larger than the sum of its proper divisors (13371761545).

2251622225207 is a wasteful number, since it uses less digits than its factorization.

2251622225207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18860569.

The product of its (nonzero) digits is 134400, while the sum is 38.

Adding to 2251622225207 its reverse (7025222261522), we get a palindrome (9276844486729).

The spelling of 2251622225207 in words is "two trillion, two hundred fifty-one billion, six hundred twenty-two million, two hundred twenty-five thousand, two hundred seven".