2251701270 has 192 divisors, whose sum is σ = 7245149184. Its totient is φ = 472469760.

The previous prime is 2251701269. The next prime is 2251701271. The reversal of 2251701270 is 721071522.

2251701270 is a `hidden beast` number, since 22 + 517 + 0 + 127 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2251701269) and next prime (2251701271).

It is a super-2 number, since 2×2251701270² = 10140317218639225800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251701271) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1727439 + ... + 1728741.

It is an arithmetic number, because the mean of its divisors is an integer number (37735152).

Almost surely, 2^2251701270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2251701270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3622574592).

2251701270 is an abundant number, since it is smaller than the sum of its proper divisors (4993447914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251701270 is a wasteful number, since it uses less digits than its factorization.

2251701270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 2251701270 is about 47452.0944743222. The cubic root of 2251701270 is about 1310.7008797297.

Adding to 2251701270 its reverse (721071522), we get a palindrome (2972772792).

The spelling of 2251701270 in words is "two billion, two hundred fifty-one million, seven hundred one thousand, two hundred seventy".