106722403 has 2 divisors, whose sum is σ = 106722404. Its totient is φ = 106722402.

The previous prime is 106722401. The next prime is 106722419. The reversal of 106722403 is 304227601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106722403 - 2¹ = 106722401 is a prime.

It is a super-2 number, since 2×106722403² = 22779342604188818, which contains 22 as substring.

Together with 106722401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (106722401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53361201 + 53361202.

It is an arithmetic number, because the mean of its divisors is an integer number (53361202).

Almost surely, 2^106722403 is an apocalyptic number.

106722403 is a deficient number, since it is larger than the sum of its proper divisors (1).

106722403 is an equidigital number, since it uses as much as digits as its factorization.

106722403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 106722403 is about 10330.6535611257. The cubic root of 106722403 is about 474.3350296282.

The spelling of 106722403 in words is "one hundred six million, seven hundred twenty-two thousand, four hundred three".