2272129 has 2 divisors, whose sum is σ = 2272130. Its totient is φ = 2272128.

The previous prime is 2272117. The next prime is 2272141. The reversal of 2272129 is 9212722.

It is a balanced prime because it is at equal distance from previous prime (2272117) and next prime (2272141).

It can be written as a sum of positive squares in only one way, i.e., 2169729 + 102400 = 1473^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272129 - 2¹⁵ = 2239361 is a prime.

It is not a weakly prime, because it can be changed into another prime (2272199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136064 + 1136065.

It is an arithmetic number, because the mean of its divisors is an integer number (1136065).

2^2272129 is an apocalyptic number.

It is an amenable number.

2272129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272129 is an equidigital number, since it uses as much as digits as its factorization.

2272129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 2272129 is about 1507.3582852129. The cubic root of 2272129 is about 131.4652570535.

It can be divided in two parts, 2272 and 129, that added together give a 4-th power (2401 = 7⁴).

The spelling of 2272129 in words is "two million, two hundred seventy-two thousand, one hundred twenty-nine".