1000220154 has 16 divisors (see below), whose sum is σ = 2105726880. Its totient is φ = 315858960.

The previous prime is 1000220107. The next prime is 1000220161. The reversal of 1000220154 is 4510220001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4386817 + ... + 4387044.

It is an arithmetic number, because the mean of its divisors is an integer number (131607930).

Almost surely, 2^1000220154 is an apocalyptic number.

1000220154 is an abundant number, since it is smaller than the sum of its proper divisors (1105506726).

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

1000220154 is a wasteful number, since it uses less digits than its factorization.

1000220154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773885.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1000220154 is about 31626.2573504991. The cubic root of 1000220154 is about 1000.0733792820.

Adding to 1000220154 its reverse (4510220001), we get a palindrome (5510440155).

The spelling of 1000220154 in words is "one billion, two hundred twenty thousand, one hundred fifty-four".