961822 has 4 divisors (see below), whose sum is σ = 1442736. Its totient is φ = 480910.

The previous prime is 961817. The next prime is 961841. The reversal of 961822 is 228169.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 228169 = 401 ⋅569.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240454 + ... + 240457.

It is an arithmetic number, because the mean of its divisors is an integer number (360684).

2⁹⁶¹⁸²² is an apocalyptic number.

961822 is a deficient number, since it is larger than the sum of its proper divisors (480914).

961822 is a wasteful number, since it uses less digits than its factorization.

961822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480913.

The product of its digits is 1728, while the sum is 28.

The square root of 961822 is about 980.7252418491. The cubic root of 961822 is about 98.7108523992.

The spelling of 961822 in words is "nine hundred sixty-one thousand, eight hundred twenty-two".