551455222 has 8 divisors (see below), whose sum is σ = 863147376. Its totient is φ = 263739432.

The previous prime is 551455159. The next prime is 551455309. The reversal of 551455222 is 222554155.

It is a happy number.

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

It is a super-3 number, since 3×551455222³ (a number of 27 digits) contains 333 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, 5994033 + ... + 5994124.

It is an arithmetic number, because the mean of its divisors is an integer number (107893422).

Almost surely, 2^551455222 is an apocalyptic number.

551455222 is a deficient number, since it is larger than the sum of its proper divisors (311692154).

551455222 is a wasteful number, since it uses less digits than its factorization.

551455222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11988182.

The product of its digits is 20000, while the sum is 31.

The square root of 551455222 is about 23483.0837412807. The cubic root of 551455222 is about 820.0432368635.

The spelling of 551455222 in words is "five hundred fifty-one million, four hundred fifty-five thousand, two hundred twenty-two".