106722549 has 64 divisors (see below), whose sum is σ = 176359680. Its totient is φ = 63498240.

The previous prime is 106722547. The next prime is 106722557. The reversal of 106722549 is 945227601.

106722549 is a `hidden beast` number, since 106 + 7 + 2 + 2 + 549 = 666.

It is not a de Polignac number, because 106722549 - 2¹ = 106722547 is a prime.

It is a super-2 number, since 2×106722549² = 22779404930114802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106722547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 997354 + ... + 997460.

It is an arithmetic number, because the mean of its divisors is an integer number (2755620).

Almost surely, 2^106722549 is an apocalyptic number.

It is an amenable number.

106722549 is a deficient number, since it is larger than the sum of its proper divisors (69637131).

106722549 is a wasteful number, since it uses less digits than its factorization.

106722549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 106722549 is about 10330.6606274720. The cubic root of 106722549 is about 474.3352459304.

The spelling of 106722549 in words is "one hundred six million, seven hundred twenty-two thousand, five hundred forty-nine".