2237994477 has 12 divisors (see below), whose sum is σ = 3402798880. Its totient is φ = 1413470088.

The previous prime is 2237994463. The next prime is 2237994481. The reversal of 2237994477 is 7744997322.

2237994477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2237994477 - 2⁷ = 2237994349 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 (2237994457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6543673 + ... + 6544014.

Almost surely, 2^2237994477 is an apocalyptic number.

It is an amenable number.

2237994477 is a deficient number, since it is larger than the sum of its proper divisors (1164804403).

2237994477 is a wasteful number, since it uses less digits than its factorization.

2237994477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13087712 (or 13087709 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The square root of 2237994477 is about 47307.4463166212. The cubic root of 2237994477 is about 1308.0359194608.

The spelling of 2237994477 in words is "two billion, two hundred thirty-seven million, nine hundred ninety-four thousand, four hundred seventy-seven".