2219612946 has 32 divisors (see below), whose sum is σ = 4675473600. Its totient is φ = 700539840.

The previous prime is 2219612893. The next prime is 2219612947. The reversal of 2219612946 is 6492169122.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2219612898 and 2219612907.

It is not an unprimeable number, because it can be changed into a prime (2219612947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254376 + ... + 262956.

It is an arithmetic number, because the mean of its divisors is an integer number (146108550).

Almost surely, 2^2219612946 is an apocalyptic number.

2219612946 is an abundant number, since it is smaller than the sum of its proper divisors (2455860654).

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

2219612946 is a wasteful number, since it uses less digits than its factorization.

2219612946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10874.

The product of its digits is 93312, while the sum is 42.

The square root of 2219612946 is about 47112.7683966884. The cubic root of 2219612946 is about 1304.4449318040. Note that the first 3 decimals are identical.

The spelling of 2219612946 in words is "two billion, two hundred nineteen million, six hundred twelve thousand, nine hundred forty-six".