2242420129 has 4 divisors (see below), whose sum is σ = 2251802880. Its totient is φ = 2233037380.

The previous prime is 2242420127. The next prime is 2242420151. The reversal of 2242420129 is 9210242422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2242420129 - 2¹ = 2242420127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2242420097 and 2242420106.

It is not an unprimeable number, because it can be changed into a prime (2242420127) 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, 4691017 + ... + 4691494.

It is an arithmetic number, because the mean of its divisors is an integer number (562950720).

Almost surely, 2^2242420129 is an apocalyptic number.

It is an amenable number.

2242420129 is a deficient number, since it is larger than the sum of its proper divisors (9382751).

2242420129 is an equidigital number, since it uses as much as digits as its factorization.

2242420129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9382750.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2242420129 is about 47354.1986417255. The cubic root of 2242420129 is about 1308.8975689057.

The spelling of 2242420129 in words is "two billion, two hundred forty-two million, four hundred twenty thousand, one hundred twenty-nine".