2402220125 has 16 divisors (see below), whose sum is σ = 3039050352. Its totient is φ = 1895443200.

The previous prime is 2402220091. The next prime is 2402220127. The reversal of 2402220125 is 5210222042.

It can be written as a sum of positive squares in 8 ways, for example, as 810768676 + 1591451449 = 28474^2 + 39893^2 .

It is not a de Polignac number, because 2402220125 - 2¹² = 2402216029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2402220097 and 2402220106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402220127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122504 + ... + 140753.

It is an arithmetic number, because the mean of its divisors is an integer number (189940647).

Almost surely, 2^2402220125 is an apocalyptic number.

2402220125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2402220125 is a deficient number, since it is larger than the sum of its proper divisors (636830227).

2402220125 is an equidigital number, since it uses as much as digits as its factorization.

2402220125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263345 (or 263335 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2402220125 is about 49012.4486737808. The cubic root of 2402220125 is about 1339.2786131602.

Adding to 2402220125 its reverse (5210222042), we get a palindrome (7612442167).

The spelling of 2402220125 in words is "two billion, four hundred two million, two hundred twenty thousand, one hundred twenty-five".