2102231426 has 4 divisors (see below), whose sum is σ = 3153347142. Its totient is φ = 1051115712.

The previous prime is 2102231399. The next prime is 2102231491. The reversal of 2102231426 is 6241322012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2052543025 + 49688401 = 45305^2 + 7049^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525557855 + ... + 525557858.

Almost surely, 2^2102231426 is an apocalyptic number.

2102231426 is a deficient number, since it is larger than the sum of its proper divisors (1051115716).

2102231426 is a wasteful number, since it uses less digits than its factorization.

2102231426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051115715.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2102231426 is about 45850.0973390461. The cubic root of 2102231426 is about 1281.0325786579.

Adding to 2102231426 its reverse (6241322012), we get a palindrome (8343553438).

The spelling of 2102231426 in words is "two billion, one hundred two million, two hundred thirty-one thousand, four hundred twenty-six".