2072218554 has 48 divisors (see below), whose sum is σ = 5150800512. Its totient is φ = 589801824.

The previous prime is 2072218531. The next prime is 2072218609. The reversal of 2072218554 is 4558122702.

It is a happy number.

2072218554 is a `hidden beast` number, since 20 + 72 + 2 + 18 + 554 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1872 + ... + 64404.

It is an arithmetic number, because the mean of its divisors is an integer number (107308344).

Almost surely, 2^2072218554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2072218554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2575400256).

2072218554 is an abundant number, since it is smaller than the sum of its proper divisors (3078581958).

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

2072218554 is a wasteful number, since it uses less digits than its factorization.

2072218554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62811 (or 62808 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 2072218554 is about 45521.6273215271. The cubic root of 2072218554 is about 1274.9070400506.

The spelling of 2072218554 in words is "two billion, seventy-two million, two hundred eighteen thousand, five hundred fifty-four".