2231422 has 4 divisors (see below), whose sum is σ = 3347136. Its totient is φ = 1115710.

The previous prime is 2231413. The next prime is 2231423. The reversal of 2231422 is 2241322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2241322 = 2 ⋅1120661.

It is a super-3 number, since 3×2231422³ = 33332384766052090344, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231396 and 2231405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557854 + ... + 557857.

It is an arithmetic number, because the mean of its divisors is an integer number (836784).

2^2231422 is an apocalyptic number.

2231422 is a deficient number, since it is larger than the sum of its proper divisors (1115714).

2231422 is a wasteful number, since it uses less digits than its factorization.

2231422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115713.

The product of its digits is 192, while the sum is 16.

The square root of 2231422 is about 1493.7944972452. The cubic root of 2231422 is about 130.6754196668.

Adding to 2231422 its reverse (2241322), we get a palindrome (4472744).

The spelling of 2231422 in words is "two million, two hundred thirty-one thousand, four hundred twenty-two".