1342223509 has 32 divisors (see below), whose sum is σ = 1542758400. Its totient is φ = 1157058240.

The previous prime is 1342223497. The next prime is 1342223527. The reversal of 1342223509 is 9053222431.

It is a cyclic number.

It is not a de Polignac number, because 1342223509 - 2⁷ = 1342223381 is a prime.

It is a super-2 number, since 2×1342223509² = 3603127896224546162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342223579) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2409459 + ... + 2410015.

It is an arithmetic number, because the mean of its divisors is an integer number (48211200).

Almost surely, 2^1342223509 is an apocalyptic number.

It is an amenable number.

1342223509 is a deficient number, since it is larger than the sum of its proper divisors (200534891).

1342223509 is a wasteful number, since it uses less digits than its factorization.

1342223509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1342223509 is about 36636.3686655760. The cubic root of 1342223509 is about 1103.0832256103.

It can be divided in two parts, 134222 and 3509, that added together give a palindrome (137731).

The spelling of 1342223509 in words is "one billion, three hundred forty-two million, two hundred twenty-three thousand, five hundred nine".