97722029 has 2 divisors, whose sum is σ = 97722030. Its totient is φ = 97722028.

The previous prime is 97722019. The next prime is 97722041. The reversal of 97722029 is 92022779.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90820900 + 6901129 = 9530^2 + 2627^2 .

It is a cyclic number.

It is not a de Polignac number, because 97722029 - 2¹² = 97717933 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97721983 and 97722001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97722019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48861014 + 48861015.

It is an arithmetic number, because the mean of its divisors is an integer number (48861015).

Almost surely, 2^97722029 is an apocalyptic number.

It is an amenable number.

97722029 is a deficient number, since it is larger than the sum of its proper divisors (1).

97722029 is an equidigital number, since it uses as much as digits as its factorization.

97722029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 97722029 is about 9885.4453111633. The cubic root of 97722029 is about 460.6073090713.

The spelling of 97722029 in words is "ninety-seven million, seven hundred twenty-two thousand, twenty-nine".