2251432 has 8 divisors (see below), whose sum is σ = 4221450. Its totient is φ = 1125712.

The previous prime is 2251427. The next prime is 2251451. The reversal of 2251432 is 2341522.

It can be written as a sum of positive squares in only one way, i.e., 1223236 + 1028196 = 1106^2 + 1014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140707 + ... + 140722.

2^2251432 is an apocalyptic number.

It is an amenable number.

2251432 is a deficient number, since it is larger than the sum of its proper divisors (1970018).

2251432 is a wasteful number, since it uses less digits than its factorization.

2251432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281435 (or 281431 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 2251432 is about 1500.4772574085. The cubic root of 2251432 is about 131.0648630866.

Adding to 2251432 its reverse (2341522), we get a palindrome (4592954).

The spelling of 2251432 in words is "two million, two hundred fifty-one thousand, four hundred thirty-two".