2219402479 has 8 divisors (see below), whose sum is σ = 2685663648. Its totient is φ = 1790442240.

The previous prime is 2219402431. The next prime is 2219402539. The reversal of 2219402479 is 9742049122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2219402479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219802479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9325102 + ... + 9325339.

It is an arithmetic number, because the mean of its divisors is an integer number (335707956).

Almost surely, 2^2219402479 is an apocalyptic number.

2219402479 is a deficient number, since it is larger than the sum of its proper divisors (466261169).

2219402479 is a wasteful number, since it uses less digits than its factorization.

2219402479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18650465.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2219402479 is about 47110.5346923594. The cubic root of 2219402479 is about 1304.4037006981.

The spelling of 2219402479 in words is "two billion, two hundred nineteen million, four hundred two thousand, four hundred seventy-nine".