70226261 has 12 divisors (see below), whose sum is σ = 85992480. Its totient is φ = 57025080.

The previous prime is 70226237. The next prime is 70226263. The reversal of 70226261 is 16262207.

It is not a de Polignac number, because 70226261 - 2¹⁰ = 70225237 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70226261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70226263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36785 + ... + 38646.

It is an arithmetic number, because the mean of its divisors is an integer number (7166040).

Almost surely, 2^70226261 is an apocalyptic number.

It is an amenable number.

70226261 is a deficient number, since it is larger than the sum of its proper divisors (15766219).

70226261 is a wasteful number, since it uses less digits than its factorization.

70226261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75464 (or 75457 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 70226261 is about 8380.1110374505. Note that the first 3 decimals coincide. The cubic root of 70226261 is about 412.5720934294.

Adding to 70226261 its reverse (16262207), we get a palindrome (86488468).

The spelling of 70226261 in words is "seventy million, two hundred twenty-six thousand, two hundred sixty-one".