7345222261 has 16 divisors (see below), whose sum is σ = 8057141568. Its totient is φ = 6655017600.

The previous prime is 7345222237. The next prime is 7345222279. The reversal of 7345222261 is 1622225437.

It is a cyclic number.

It is not a de Polignac number, because 7345222261 - 2⁵ = 7345222229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7345222231) 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, 229746 + ... + 259756.

It is an arithmetic number, because the mean of its divisors is an integer number (503571348).

Almost surely, 2^7345222261 is an apocalyptic number.

It is an amenable number.

7345222261 is a deficient number, since it is larger than the sum of its proper divisors (711919307).

7345222261 is a wasteful number, since it uses less digits than its factorization.

7345222261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30372.

The product of its digits is 40320, while the sum is 34.

The square root of 7345222261 is about 85704.2721280567. The cubic root of 7345222261 is about 1943.8749084220.

Adding to 7345222261 its reverse (1622225437), we get a palindrome (8967447698).

The spelling of 7345222261 in words is "seven billion, three hundred forty-five million, two hundred twenty-two thousand, two hundred sixty-one".