70222541 has 2 divisors, whose sum is σ = 70222542. Its totient is φ = 70222540.

The previous prime is 70222517. The next prime is 70222549. The reversal of 70222541 is 14522207.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39375625 + 30846916 = 6275^2 + 5554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70222541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70222549) 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 as a sum of consecutive naturals, namely, 35111270 + 35111271.

It is an arithmetic number, because the mean of its divisors is an integer number (35111271).

Almost surely, 2^70222541 is an apocalyptic number.

It is an amenable number.

70222541 is a deficient number, since it is larger than the sum of its proper divisors (1).

70222541 is an equidigital number, since it uses as much as digits as its factorization.

70222541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 70222541 is about 8379.8890804115. The cubic root of 70222541 is about 412.5648084277.

Adding to 70222541 its reverse (14522207), we get a palindrome (84744748).

The spelling of 70222541 in words is "seventy million, two hundred twenty-two thousand, five hundred forty-one".