2219955 has 8 divisors (see below), whose sum is σ = 3551952. Its totient is φ = 1183968.

The previous prime is 2219953. The next prime is 2219977. The reversal of 2219955 is 5599122.

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

It is not a de Polignac number, because 2219955 - 2¹ = 2219953 is a prime.

2219955 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2219953) 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, 73984 + ... + 74013.

It is an arithmetic number, because the mean of its divisors is an integer number (443994).

2^2219955 is an apocalyptic number.

2219955 is a deficient number, since it is larger than the sum of its proper divisors (1331997).

2219955 is a wasteful number, since it uses less digits than its factorization.

2219955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148005.

The product of its digits is 8100, while the sum is 33.

The square root of 2219955 is about 1489.9513414874. The cubic root of 2219955 is about 130.4511935632.

The spelling of 2219955 in words is "two million, two hundred nineteen thousand, nine hundred fifty-five".