29220493 has 2 divisors, whose sum is σ = 29220494. Its totient is φ = 29220492.

The previous prime is 29220481. The next prime is 29220551. The reversal of 29220493 is 39402292.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28323684 + 896809 = 5322^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 29220493 - 2¹³ = 29212301 is a prime.

It is a super-2 number, since 2×29220493² = 1707674422326098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29220293) 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, 14610246 + 14610247.

It is an arithmetic number, because the mean of its divisors is an integer number (14610247).

Almost surely, 2^29220493 is an apocalyptic number.

It is an amenable number.

29220493 is a deficient number, since it is larger than the sum of its proper divisors (1).

29220493 is an equidigital number, since it uses as much as digits as its factorization.

29220493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 29220493 is about 5405.5983017609. The cubic root of 29220493 is about 308.0083661358.

The spelling of 29220493 in words is "twenty-nine million, two hundred twenty thousand, four hundred ninety-three".