7240864222 has 8 divisors (see below), whose sum is σ = 10866193272. Its totient is φ = 3618799800.

The previous prime is 7240864129. The next prime is 7240864243. The reversal of 7240864222 is 2224680427.

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

It is a super-2 number, since 2×7240864222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810604 + ... + 819487.

It is an arithmetic number, because the mean of its divisors is an integer number (1358274159).

Almost surely, 2^7240864222 is an apocalyptic number.

7240864222 is a deficient number, since it is larger than the sum of its proper divisors (3625329050).

7240864222 is a wasteful number, since it uses less digits than its factorization.

7240864222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632314.

The product of its (nonzero) digits is 86016, while the sum is 37.

The square root of 7240864222 is about 85093.2677830626. The cubic root of 7240864222 is about 1934.6250252798.

The spelling of 7240864222 in words is "seven billion, two hundred forty million, eight hundred sixty-four thousand, two hundred twenty-two".