2142922 has 8 divisors (see below), whose sum is σ = 3259872. Its totient is φ = 1056300.

The previous prime is 2142911. The next prime is 2142923. The reversal of 2142922 is 2292412.

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

It is a super-2 number, since 2×2142922² = 9184229396168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2142893 and 2142902.

It is not an unprimeable number, because it can be changed into a prime (2142923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7404 + ... + 7687.

It is an arithmetic number, because the mean of its divisors is an integer number (407484).

2^2142922 is an apocalyptic number.

2142922 is a deficient number, since it is larger than the sum of its proper divisors (1116950).

2142922 is a wasteful number, since it uses less digits than its factorization.

2142922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15164.

The product of its digits is 576, while the sum is 22.

The square root of 2142922 is about 1463.8722621868. The cubic root of 2142922 is about 128.9244996176.

It can be divided in two parts, 214 and 2922, that added together give a square (3136 = 56²).

The spelling of 2142922 in words is "two million, one hundred forty-two thousand, nine hundred twenty-two".