1043222131 has 4 divisors (see below), whose sum is σ = 1192253872. Its totient is φ = 894190392.

The previous prime is 1043222123. The next prime is 1043222143. The reversal of 1043222131 is 1312223401.

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: 1312223401 = 137 ⋅9578273.

It is a cyclic number.

It is not a de Polignac number, because 1043222131 - 2³ = 1043222123 is a prime.

It is a super-2 number, since 2×1043222131² = 2176624829216362322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1043222099 and 1043222108.

It is not an unprimeable number, because it can be changed into a prime (1043222101) 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, 74515860 + ... + 74515873.

It is an arithmetic number, because the mean of its divisors is an integer number (298063468).

Almost surely, 2^1043222131 is an apocalyptic number.

1043222131 is a deficient number, since it is larger than the sum of its proper divisors (149031741).

1043222131 is an equidigital number, since it uses as much as digits as its factorization.

1043222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149031740.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1043222131 is about 32298.9493791981. The cubic root of 1043222131 is about 1014.2046495636.

Adding to 1043222131 its reverse (1312223401), we get a palindrome (2355445532).

The spelling of 1043222131 in words is "one billion, forty-three million, two hundred twenty-two thousand, one hundred thirty-one".