2246551201997 has 4 divisors (see below), whose sum is σ = 2247471544956. Its totient is φ = 2245630859040.

The previous prime is 2246551201967. The next prime is 2246551202023. The reversal of 2246551201997 is 7991021556422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 652970660356 + 1593580541641 = 808066^2 + 1262371^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246551201997 - 2¹² = 2246551197901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2246551201967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460167818 + ... + 460172699.

It is an arithmetic number, because the mean of its divisors is an integer number (561867886239).

Almost surely, 2^{2246551201997} is an apocalyptic number.

It is an amenable number.

2246551201997 is a deficient number, since it is larger than the sum of its proper divisors (920342959).

2246551201997 is an equidigital number, since it uses as much as digits as its factorization.

2246551201997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920342958.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 2246551201997 in words is "two trillion, two hundred forty-six billion, five hundred fifty-one million, two hundred one thousand, nine hundred ninety-seven".