2215450402 has 16 divisors (see below), whose sum is σ = 3742228224. Its totient is φ = 974538000.

The previous prime is 2215450373. The next prime is 2215450423. The reversal of 2215450402 is 2040545122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1623549 + ... + 1624912.

It is an arithmetic number, because the mean of its divisors is an integer number (233889264).

Almost surely, 2^2215450402 is an apocalyptic number.

2215450402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2215450402 is a deficient number, since it is larger than the sum of its proper divisors (1526777822).

2215450402 is a wasteful number, since it uses less digits than its factorization.

2215450402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248505.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2215450402 is about 47068.5712763836. The cubic root of 2215450402 is about 1303.6289926658.

Adding to 2215450402 its reverse (2040545122), we get a palindrome (4255995524).

The spelling of 2215450402 in words is "two billion, two hundred fifteen million, four hundred fifty thousand, four hundred two".