1055218 has 8 divisors (see below), whose sum is σ = 1593900. Its totient is φ = 523920.

The previous prime is 1055191. The next prime is 1055231. The reversal of 1055218 is 8125501.

It can be written as a sum of positive squares in 2 ways, for example, as 986049 + 69169 = 993^2 + 263^2 .

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

It is a super-2 number, since 2×1055218² = 2226970055048, which contains 22 as substring.

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, 1473 + ... + 2068.

2^1055218 is an apocalyptic number.

1055218 is a deficient number, since it is larger than the sum of its proper divisors (538682).

1055218 is a wasteful number, since it uses less digits than its factorization.

1055218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1055218 is about 1027.2380444668. The cubic root of 1055218 is about 101.8077244111.

The spelling of 1055218 in words is "one million, fifty-five thousand, two hundred eighteen".