1722223340 has 48 divisors (see below), whose sum is σ = 3694299840. Its totient is φ = 674169600.

The previous prime is 1722223337. The next prime is 1722223361. The reversal of 1722223340 is 433222271.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463490 + ... + 467190.

It is an arithmetic number, because the mean of its divisors is an integer number (76964580).

Almost surely, 2^1722223340 is an apocalyptic number.

1722223340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1722223340 is an abundant number, since it is smaller than the sum of its proper divisors (1972076500).

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

1722223340 is a wasteful number, since it uses less digits than its factorization.

1722223340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202 (or 4200 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 1722223340 is about 41499.6787939377. The cubic root of 1722223340 is about 1198.6613173478.

The spelling of 1722223340 in words is "one billion, seven hundred twenty-two million, two hundred twenty-three thousand, three hundred forty".