2273408436 has 96 divisors (see below), whose sum is σ = 6244051968. Its totient is φ = 637102080.

The previous prime is 2273408411. The next prime is 2273408441. The reversal of 2273408436 is 6348043722.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 2273408394 and 2273408403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68386 + ... + 96038.

It is an arithmetic number, because the mean of its divisors is an integer number (65042208).

Almost surely, 2^2273408436 is an apocalyptic number.

2273408436 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2273408436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3122025984).

2273408436 is an abundant number, since it is smaller than the sum of its proper divisors (3970643532).

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

2273408436 is a wasteful number, since it uses less digits than its factorization.

2273408436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27721 (or 27719 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 2273408436 is about 47680.2730277418. The cubic root of 2273408436 is about 1314.8992845513.

The spelling of 2273408436 in words is "two billion, two hundred seventy-three million, four hundred eight thousand, four hundred thirty-six".