1442162224261 has 4 divisors (see below), whose sum is σ = 1573267881024. Its totient is φ = 1311056567500.

The previous prime is 1442162224249. The next prime is 1442162224313. The reversal of 1442162224261 is 1624222612441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1442162224261 - 2¹⁵ = 1442162191493 is a prime.

It is a super-2 number, since 2×1442162224261² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442162224261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442162224241) 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, 65552828365 + ... + 65552828386.

It is an arithmetic number, because the mean of its divisors is an integer number (393316970256).

Almost surely, 2^{1442162224261} is an apocalyptic number.

1442162224261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1442162224261 is a deficient number, since it is larger than the sum of its proper divisors (131105656763).

1442162224261 is a wasteful number, since it uses less digits than its factorization.

1442162224261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131105656762.

The product of its digits is 73728, while the sum is 37.

The spelling of 1442162224261 in words is "one trillion, four hundred forty-two billion, one hundred sixty-two million, two hundred twenty-four thousand, two hundred sixty-one".