7222146469 has 4 divisors (see below), whose sum is σ = 7222555296. Its totient is φ = 7221737644.

The previous prime is 7222146443. The next prime is 7222146497. The reversal of 7222146469 is 9646412227.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9646412227 = 41 ⋅235278347.

It is a cyclic number.

It is not a de Polignac number, because 7222146469 - 2³¹ = 5074662821 is a prime.

It is a super-2 number, since 2×7222146469² (a number of 21 digits) 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 (7222146419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176659 + ... + 213664.

It is an arithmetic number, because the mean of its divisors is an integer number (1805638824).

Almost surely, 2^7222146469 is an apocalyptic number.

It is an amenable number.

7222146469 is a deficient number, since it is larger than the sum of its proper divisors (408827).

7222146469 is a wasteful number, since it uses less digits than its factorization.

7222146469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408826.

The product of its digits is 290304, while the sum is 43.

The square root of 7222146469 is about 84983.2128658360. The cubic root of 7222146469 is about 1932.9565743014.

The spelling of 7222146469 in words is "seven billion, two hundred twenty-two million, one hundred forty-six thousand, four hundred sixty-nine".