68221054 has 8 divisors (see below), whose sum is σ = 111634488. Its totient is φ = 31009560.

The previous prime is 68221037. The next prime is 68221093. The reversal of 68221054 is 45012286.

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

It is a super-2 number, since 2×68221054² = 9308224417741832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550457 + ... + 1550500.

It is an arithmetic number, because the mean of its divisors is an integer number (13954311).

Almost surely, 2^68221054 is an apocalyptic number.

68221054 is a deficient number, since it is larger than the sum of its proper divisors (43413434).

68221054 is a wasteful number, since it uses less digits than its factorization.

68221054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100970.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 68221054 is about 8259.6037435218. The cubic root of 68221054 is about 408.6073191402.

It can be divided in two parts, 682 and 21054, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 68221054 in words is "sixty-eight million, two hundred twenty-one thousand, fifty-four".