551062220 has 24 divisors (see below), whose sum is σ = 1160133408. Its totient is φ = 219872000.

The previous prime is 551062219. The next prime is 551062223. The reversal of 551062220 is 22260155.

It is a super-2 number, since 2×551062220² = 607339140622656800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (551062223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26336 + ... + 42375.

It is an arithmetic number, because the mean of its divisors is an integer number (48338892).

Almost surely, 2^551062220 is an apocalyptic number.

It is an amenable number.

551062220 is an abundant number, since it is smaller than the sum of its proper divisors (609071188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551062220 is a wasteful number, since it uses less digits than its factorization.

551062220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69121 (or 69119 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 551062220 is about 23474.7144817567. The cubic root of 551062220 is about 819.8483856116.

The spelling of 551062220 in words is "five hundred fifty-one million, sixty-two thousand, two hundred twenty".