754221722 has 4 divisors (see below), whose sum is σ = 1131332586. Its totient is φ = 377110860.

The previous prime is 754221719. The next prime is 754221731. The reversal of 754221722 is 227122457.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 700184521 + 54037201 = 26461^2 + 7351^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188555429 + ... + 188555432.

Almost surely, 2^754221722 is an apocalyptic number.

754221722 is a deficient number, since it is larger than the sum of its proper divisors (377110864).

754221722 is a wasteful number, since it uses less digits than its factorization.

754221722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377110863.

The product of its digits is 15680, while the sum is 32.

The square root of 754221722 is about 27463.0974582256. The cubic root of 754221722 is about 910.2618583852.

The spelling of 754221722 in words is "seven hundred fifty-four million, two hundred twenty-one thousand, seven hundred twenty-two".