922649 has 8 divisors (see below), whose sum is σ = 1135680. Its totient is φ = 729936.

The previous prime is 922643. The next prime is 922667. The reversal of 922649 is 946229.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-922649 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (922643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4979 + ... + 5160.

It is an arithmetic number, because the mean of its divisors is an integer number (141960).

2⁹²²⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

922649 is a deficient number, since it is larger than the sum of its proper divisors (213031).

922649 is a wasteful number, since it uses less digits than its factorization.

922649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10159.

The product of its digits is 7776, while the sum is 32.

The square root of 922649 is about 960.5461987848. The cubic root of 922649 is about 97.3521405558.

It can be divided in two parts, 9 and 22649, that multiplied together give a triangular number (203841 = T₆₃₈).

The spelling of 922649 in words is "nine hundred twenty-two thousand, six hundred forty-nine".