2044222154 has 32 divisors (see below), whose sum is σ = 3505965120. Its totient is φ = 885572352.

The previous prime is 2044222153. The next prime is 2044222199. The reversal of 2044222154 is 4512224402.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (2044222153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161417 + ... + 173619.

It is an arithmetic number, because the mean of its divisors is an integer number (109561410).

Almost surely, 2^2044222154 is an apocalyptic number.

2044222154 is a deficient number, since it is larger than the sum of its proper divisors (1461742966).

2044222154 is a wasteful number, since it uses less digits than its factorization.

2044222154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12614.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 2044222154 is about 45213.0750336670. The cubic root of 2044222154 is about 1269.1395072087.

Adding to 2044222154 its reverse (4512224402), we get a palindrome (6556446556).

The spelling of 2044222154 in words is "two billion, forty-four million, two hundred twenty-two thousand, one hundred fifty-four".