7258222394 has 8 divisors (see below), whose sum is σ = 10911582900. Its totient is φ = 3621028096.

The previous prime is 7258222393. The next prime is 7258222397. The reversal of 7258222394 is 4932228527.

It can be written as a sum of positive squares in 2 ways, for example, as 5896243369 + 1361979025 = 76787^2 + 36905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7258222393) 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, 4040429 + ... + 4042224.

Almost surely, 2^7258222394 is an apocalyptic number.

7258222394 is a deficient number, since it is larger than the sum of its proper divisors (3653360506).

7258222394 is a wasteful number, since it uses less digits than its factorization.

7258222394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8083104.

The product of its digits is 483840, while the sum is 44.

The square root of 7258222394 is about 85195.2017076079. The cubic root of 7258222394 is about 1936.1697191230.

The spelling of 7258222394 in words is "seven billion, two hundred fifty-eight million, two hundred twenty-two thousand, three hundred ninety-four".