106622639 has 2 divisors, whose sum is σ = 106622640. Its totient is φ = 106622638.

The previous prime is 106622573. The next prime is 106622689. The reversal of 106622639 is 936226601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106622639 - 2²⁴ = 89845423 is a prime.

It is a super-2 number, since 2×106622639² = 22736774294648642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106622599 and 106622608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106622689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53311319 + 53311320.

It is an arithmetic number, because the mean of its divisors is an integer number (53311320).

Almost surely, 2^106622639 is an apocalyptic number.

106622639 is a deficient number, since it is larger than the sum of its proper divisors (1).

106622639 is an equidigital number, since it uses as much as digits as its factorization.

106622639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 106622639 is about 10325.8238896468. The cubic root of 106622639 is about 474.1871809053.

The spelling of 106622639 in words is "one hundred six million, six hundred twenty-two thousand, six hundred thirty-nine".