2722402125 has 24 divisors (see below), whose sum is σ = 4907585592. Its totient is φ = 1451947200.

The previous prime is 2722402121. The next prime is 2722402129. The reversal of 2722402125 is 5212042272.

It is an interprime number because it is at equal distance from previous prime (2722402121) and next prime (2722402129).

It can be written as a sum of positive squares in 4 ways, for example, as 807639561 + 1914762564 = 28419^2 + 43758^2 .

It is not a de Polignac number, because 2722402125 - 2² = 2722402121 is a prime.

It is a super-2 number, since 2×2722402125² = 14822946660409031250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722402121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1208832 + ... + 1211081.

It is an arithmetic number, because the mean of its divisors is an integer number (204482733).

Almost surely, 2^2722402125 is an apocalyptic number.

2722402125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2722402125 is a deficient number, since it is larger than the sum of its proper divisors (2185183467).

2722402125 is a wasteful number, since it uses less digits than its factorization.

2722402125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419934 (or 2419921 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 2722402125 is about 52176.6434815426. The cubic root of 2722402125 is about 1396.3172127000.

Adding to 2722402125 its reverse (5212042272), we get a palindrome (7934444397).

The spelling of 2722402125 in words is "two billion, seven hundred twenty-two million, four hundred two thousand, one hundred twenty-five".