1422779040 has 96 divisors (see below), whose sum is σ = 4979741760. Its totient is φ = 379406592.

The previous prime is 1422779027. The next prime is 1422779081. The reversal of 1422779040 is 409772241.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1422778986 and 1422779004.

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, 160354 + ... + 168993.

It is an arithmetic number, because the mean of its divisors is an integer number (51872310).

Almost surely, 2^1422779040 is an apocalyptic number.

1422779040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422779040 is an abundant number, since it is smaller than the sum of its proper divisors (3556962720).

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

1422779040 is a wasteful number, since it uses less digits than its factorization.

1422779040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329371 (or 329357 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1422779040 is about 37719.7433713433. The cubic root of 1422779040 is about 1124.7236298896.

The spelling of 1422779040 in words is "one billion, four hundred twenty-two million, seven hundred seventy-nine thousand, forty".