29226661 has 2 divisors, whose sum is σ = 29226662. Its totient is φ = 29226660.

The previous prime is 29226647. The next prime is 29226671. The reversal of 29226661 is 16662292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25250625 + 3976036 = 5025^2 + 1994^2 .

It is a cyclic number.

It is not a de Polignac number, because 29226661 - 2¹⁷ = 29095589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29226601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14613330 + 14613331.

It is an arithmetic number, because the mean of its divisors is an integer number (14613331).

Almost surely, 2^29226661 is an apocalyptic number.

It is an amenable number.

29226661 is a deficient number, since it is larger than the sum of its proper divisors (1).

29226661 is an equidigital number, since it uses as much as digits as its factorization.

29226661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 29226661 is about 5406.1687912976. The cubic root of 29226661 is about 308.0300365658.

The spelling of 29226661 in words is "twenty-nine million, two hundred twenty-six thousand, six hundred sixty-one".