2299207621 has 2 divisors, whose sum is σ = 2299207622. Its totient is φ = 2299207620.

The previous prime is 2299207607. The next prime is 2299207637. The reversal of 2299207621 is 1267029922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1159402500 + 1139805121 = 34050^2 + 33761^2 .

It is a cyclic number.

It is not a de Polignac number, because 2299207621 - 2¹³ = 2299199429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2299208621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149603810 + 1149603811.

It is an arithmetic number, because the mean of its divisors is an integer number (1149603811).

Almost surely, 2^2299207621 is an apocalyptic number.

It is an amenable number.

2299207621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2299207621 is an equidigital number, since it uses as much as digits as its factorization.

2299207621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 2299207621 is about 47950.0533993446. The cubic root of 2299207621 is about 1319.8545181340.

The spelling of 2299207621 in words is "two billion, two hundred ninety-nine million, two hundred seven thousand, six hundred twenty-one".