1142225420231 has 16 divisors (see below), whose sum is σ = 1337293939968. Its totient is φ = 955132209600.

The previous prime is 1142225420213. The next prime is 1142225420249. The reversal of 1142225420231 is 1320245222411.

It is an interprime number because it is at equal distance from previous prime (1142225420213) and next prime (1142225420249).

It is a cyclic number.

It is not a de Polignac number, because 1142225420231 - 2²² = 1142221225927 is a prime.

It is a super-2 number, since 2×1142225420231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142225420194 and 1142225420203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142225420291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8602376 + ... + 8734146.

It is an arithmetic number, because the mean of its divisors is an integer number (83580871248).

Almost surely, 2^{1142225420231} is an apocalyptic number.

1142225420231 is a deficient number, since it is larger than the sum of its proper divisors (195068519737).

1142225420231 is a wasteful number, since it uses less digits than its factorization.

1142225420231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162022.

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 1142225420231 in words is "one trillion, one hundred forty-two billion, two hundred twenty-five million, four hundred twenty thousand, two hundred thirty-one".