19961122 has 8 divisors (see below), whose sum is σ = 30048336. Its totient is φ = 9945012.

The previous prime is 19961107. The next prime is 19961131. The reversal of 19961122 is 22116991.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17068 + ... + 18199.

It is an arithmetic number, because the mean of its divisors is an integer number (3756042).

Almost surely, 2^19961122 is an apocalyptic number.

19961122 is a deficient number, since it is larger than the sum of its proper divisors (10087214).

19961122 is a wasteful number, since it uses less digits than its factorization.

19961122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35552.

The product of its digits is 1944, while the sum is 31.

The square root of 19961122 is about 4467.7871480186. The cubic root of 19961122 is about 271.2657623550.

The spelling of 19961122 in words is "nineteen million, nine hundred sixty-one thousand, one hundred twenty-two".