770228436 has 24 divisors (see below), whose sum is σ = 1831110624. Its totient is φ = 251898400.

The previous prime is 770228423. The next prime is 770228443. The reversal of 770228436 is 634822077.

It is a junction number, because it is equal to n+sod(n) for n = 770228394 and 770228403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604890 + ... + 606161.

It is an arithmetic number, because the mean of its divisors is an integer number (76296276).

Almost surely, 2^770228436 is an apocalyptic number.

It is an amenable number.

770228436 is an abundant number, since it is smaller than the sum of its proper divisors (1060882188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770228436 is a wasteful number, since it uses less digits than its factorization.

770228436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211111 (or 1211109 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 770228436 is about 27752.9896767898. The cubic root of 770228436 is about 916.6562756875.

It can be divided in two parts, 77022 and 8436, that added together give a palindrome (85458).

The spelling of 770228436 in words is "seven hundred seventy million, two hundred twenty-eight thousand, four hundred thirty-six".